<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0034-7523</journal-id>
<journal-title><![CDATA[Revista Cubana de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[Rev cubana med]]></abbrev-journal-title>
<issn>0034-7523</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-75232003000600004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Supervivencia en pacientes con cardiopatía isquémica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Prior García]]></surname>
<given-names><![CDATA[Ada de las M.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Delgado Ramos]]></surname>
<given-names><![CDATA[Ariel]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Clinicoquirúrgico Faustino Pérez  ]]></institution>
<addr-line><![CDATA[Matanzas ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2003</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2003</year>
</pub-date>
<volume>42</volume>
<numero>6</numero>
<fpage>0</fpage>
<lpage>0</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75232003000600004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75232003000600004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75232003000600004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se efectuó un estudio de cohorte retrospectivo histórico en la consulta de Cardiología del Hospital "Faustino Pérez" de Matanzas, que incluyó a todos los pacientes a quienes se les había diagnosticado una cardiopatía isquémica entre enero del 1997 y diciembre del 2000, extendiéndose su seguimiento hasta diciembre del 2001 para caracterizarlos y determinar los factores pronósticos que inciden en su supervivencia ulterior. Se obtuvieron las curvas de supervivencia acumulada y el tiempo promedio de supervivencia acumulada (54 meses; IC 95 % = 52; 56), con una probabilidad de sobrevivir de 0,86. Los pacientes con peor pronóstico fueron aquellos en los que se asoció una prueba ergométrica diagnóstica con desplazamiento mayor de 2 mm del segmento ST, con la edad avanzada y presencia de hipercolesterolemia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[A cohort retrospective historical study of all the patients who had been diagnosed an ischemic heart disease between January, 1997, and December, 2000, was conducted at the office of Cardiology of "Faustino Pérez" Hospital, in Matanzas. Their follow-up was extended to December 2001 to characterize them and to determine the prognostic factors influencing their further survival. The accumulated survival curves and the accumulated survival average time (54 months, IC 95 % = 52;56) were obtained, with a survival probability of 0.86. The patients with the worst prognosis were those among whom an ergometric diagnostic test was associated with displacement of the ST segment over 2 mm at advanced age and presence of hypercholesterolemia.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ISQUEMIA MIOCARDICA]]></kwd>
<kwd lng="es"><![CDATA[TASA DE SUPERVIVENCIA]]></kwd>
<kwd lng="en"><![CDATA[MYOCARDIAL ISCHEMIA]]></kwd>
<kwd lng="en"><![CDATA[SURVIVAL RATE]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p>Centro Provincial de Higiene y Epidemiolog&iacute;a. Matanzas</p><h2>Supervivencia  en pacientes con cardiopat&iacute;a isqu&eacute;mica</h2>    <p><a href="#cargo">Dra.  Ada de las M. Prior Garc&iacute;a<span class="superscript">1</span> y Dr. Ariel  Delgado Ramos<span class="superscript">2</span></a><span class="superscript"><a name="autor"></a></span></p><h4>Resumen    <br>  </h4>    <p>Se efectu&oacute; un estudio de cohorte retrospectivo hist&oacute;rico  en la consulta de Cardiolog&iacute;a del Hospital &quot;Faustino P&eacute;rez&quot;  de Matanzas, que incluy&oacute; a todos los pacientes a quienes se les hab&iacute;a  diagnosticado una cardiopat&iacute;a isqu&eacute;mica entre enero del 1997 y diciembre  del 2000, extendi&eacute;ndose su seguimiento hasta diciembre del 2001 para caracterizarlos  y determinar los factores pron&oacute;sticos que inciden en su supervivencia ulterior.  Se obtuvieron las curvas de supervivencia acumulada y el tiempo promedio de supervivencia  acumulada (54 meses; IC 95 % = 52; 56), con una probabilidad de sobrevivir de  0,86. Los pacientes con peor pron&oacute;stico fueron aquellos en los que se asoci&oacute;  una prueba ergom&eacute;trica diagn&oacute;stica con desplazamiento mayor de 2  mm del segmento ST, con la edad avanzada y presencia de hipercolesterolemia.    <br>  </p>    <p><i>DeCS</i>: ISQUEMIA MIOCARDICA; TASA DE SUPERVIVENCIA.</p>    <p> Seg&uacute;n  informes de la OMS, m&aacute;s de 75 % de las muertes de origen cardiovascular  corresponden a la cardiopat&iacute;a isqu&eacute;mica (CI), se ha llegado a considerar  como una epidemia emergente en los pa&iacute;ses desarrollados.<span class="superscript">1-3  </span>    <br> </p>    <p>El tratamiento mejorado de enfermedad coronaria parece haber  reducido la mortalidad, pero algunas de estas ganancias se pierden con la aparici&oacute;n  en etapas m&aacute;s tempranas de la vida, las muertes s&uacute;bitas y otras  enfermedades cardiovasculares, y adem&aacute;s, el n&uacute;mero creciente de  pacientes con enfermedad coronaria que sobreviven aumentan las demandas en servicios  de salud para el cuidado a largo plazo.<span class="superscript">3,4</span>     <br>  </p>    ]]></body>
<body><![CDATA[<p>En Matanzas, tambi&eacute;n la primera causa de muerte la constituyen las  enfermedades del coraz&oacute;n, y dentro de ellas la cardiopat&iacute;a isqu&eacute;mica,  con altas tasas fundamentalmente en su forma principal, el infarto agudo del miocardio  (IAM). Sin embargo, se aprecia en el aspecto preventivo un trabajo sostenido en  su detecci&oacute;n temprana mediante la dispensarizaci&oacute;n de los pacientes,  que en el &uacute;ltimo lustro ha mejorado ostensiblemente, de 2,9 a 4,2 % (&iacute;ndice  deseable: 4-8 %).<span class="superscript">5</span>     <br> </p>    <p>Para el trabajo  de prevenci&oacute;n de todas las enfermedades no transmisible, y en especial  para las que nos ocupan, es particularmente importante el conocimiento de los  factores de riesgo y los factores pron&oacute;sticos; entendiendo como factores  pron&oacute;sticos aquellos que predicen el curso cl&iacute;nico de un padecimiento  una vez que la enfermedad est&aacute; presente.<span class="superscript">6</span>  La identificaci&oacute;n de &eacute;stos es de gran inter&eacute;s pues, aunque  un n&uacute;mero de pacientes puede sobrevivir a las enfermedades cardiovasculares,  un elevad&iacute;simo porcentaje de ellos quedan incapacitados, se acorta su vida  &uacute;til para la sociedad y demanda costosos y prolongados tratamientos y cuidados  especiales.<span class="superscript">2,7</span> El diagn&oacute;stico de cardiopat&iacute;a  isqu&eacute;mica implica condiciones desfavorables a corto o mediano plazo, y  &eacute;stas pueden ser mejores o peores en funci&oacute;n del riesgo individual  de cada paciente.     <br> </p>    <p>Por todo lo antes expuesto nos propusimos obtener  la funci&oacute;n de supervivencia en pacientes con cardiopat&iacute;a isqu&eacute;mica  e identificar los factores pron&oacute;sticos asociados a la enfermedad cardiovascular  isqu&eacute;mica.</p><h4>M&eacute;todos    <br> </h4>    <p>Se realiz&oacute; un estudio  de cohorte retrospectivo hist&oacute;rico en el Hospital Clinicoquir&uacute;rgico  &quot;Faustino P&eacute;rez&quot; de la ciudad de Matanzas, e incluy&oacute; todos  los pacientes con diagn&oacute;stico de cardiopat&iacute;a isqu&eacute;mica en  una consulta seleccionada del Servicio de Cardiolog&iacute;a desde enero de 1997  a diciembre del 2000. De las 557 pruebas realizadas en el per&iacute;odo se escogieron  195 pacientes que tuvieron resultado positivo de CI.    <br> </p><ul>     <li>Fecha de  origen: Fecha de diagn&oacute;stico de cada sujeto de estudio.</li>    <li>Fecha terminal:  31 de diciembre del 2001.    ]]></body>
<body><![CDATA[<br> </li>    </ul>    <p>Se excluyeron los pacientes con historia  cl&iacute;nica de enfermedad vascular encef&aacute;lica (EVE), claudicaci&oacute;n  intermitente, y/o enfermedad neopl&aacute;sica antes de realizarse la prueba erg&oacute;metrica  diagn&oacute;stica (PED).    <br> </p>    <p>Se consider&oacute; <i>variable dependiente</i>  el fallecimiento o no de los sujetos de estudio por cardiopat&iacute;a isqu&eacute;mica(c&oacute;digos  410X y I219 de las IX y X (CIE), y<i> variable independiente</i>, los factores  de riesgo y/o pron&oacute;sticos cardiovasculares seleccionados: sexo, edad, hipertensi&oacute;n  arterial (HTA), dislipidemia, diabetes mellitus (DM), h&aacute;bito de fumar,  sobrepeso y obesidad, respuesta isqu&eacute;mica en la ergometr&iacute;a (desplazamiento  del ST), reacci&oacute;n hipertensiva en la ergometr&iacute;a, carga de desplazamiento  del ST(menor igual de 125 W), y dolor anginoso durante la ergometr&iacute;a.     <br>  </p>    <p>Adem&aacute;s se obtuvo, como variable de medici&oacute;n de resultado,  el <i>Tiempo de sobrevida</i>, medido como el tiempo transcurrido entre la fecha  del diagn&oacute;stico de CI y la de terminaci&oacute;n del estudio (31 de diciembre  del 2001) para los pacientes que no fallecieron. </p>    <p>Para los que s&iacute;  fallecieron, el tiempo transcurrido entre la fecha del diagn&oacute;stico de CI  y la de defunci&oacute;n seg&uacute;n registro del Departamento de Estad&iacute;sticas  de la Direcci&oacute;n Provincial de Salud P&uacute;blica.    <br> </p>    <p>Los datos  se recogieron de una encuesta estructurada y confeccionada por el Servicio de  Ergometr&iacute;a y que hab&iacute;a sido aplicada por el m&eacute;dico especialista  a todo paciente que se realiz&oacute; la PED.    ]]></body>
<body><![CDATA[<br> </p>    <p>Se obtuvieron los datos  de mortalidad del Registro Automatizado de Defunciones del Departamento de Estad&iacute;sticas  de la Direcci&oacute;n Provincial de Salud P&uacute;blica.     <br> </p>    <p>Los datos  de las variables independientes fueron cruzados con los de la variable dependiente  en un enfoque de riesgo en tablas de contingencias y se calcularon para cada una  el Riesgo Relativo (RR) y sus intervalos de confianza del 95 %. Para estimar la  probabilidad acumulada del tiempo de supervivencia sin complicaciones coronarias  mayores fatales se utiliz&oacute; el m&eacute;todo de Kaplan Meier, y se construyeron  las curvas de supervivencia acumulada para los pacientes con cardiopat&iacute;a  isqu&eacute;mica y por cada factor pron&oacute;stico. La diferencia significativa  entre las curvas se estim&oacute; por el test de rangos logar&iacute;tmicos, se  consider&oacute; significativo el valor del estad&iacute;stico mayor de 1 y p  &lt; 0,05. El efecto independiente de las variables seleccionadas en el tiempo  de supervivencia con CI se realiz&oacute; mediante el modelo de regresi&oacute;n  m&uacute;ltiple de riesgos proporcionales de Cox para el evento; la modelaci&oacute;n  se hizo por eliminaci&oacute;n no autom&aacute;tica, incluyendo las variables  independientes previamente seleccionada con nivel de significaci&oacute;n de p  &lt; 0,05 o que se consideraron importantes desde el punto de vista cl&iacute;nico  o epidemiol&oacute;gico.</p><h4>Resultados    <br> </h4>    <p>En la tabla 1 se observa  el valor del riesgo relativo para los diferentes factores de riesgo cardiovascular  incluidos en el estudio, el dolor precordial con 11,53 con l&iacute;mite inferior  para el intervalo de confianza al 95 % de 2,73 y un l&iacute;mite superior de  48,6, le sigui&oacute; en orden de frecuencia la edad de los pacientes con un  valor de 4,8, el h&aacute;bito de fumar con 4,7 y la desviaci&oacute;n del ST  con 4,3; todos fueron estad&iacute;sticamente significativos con un 95 % de confiabilidad.  En la tabla 2 se muestra la probabilidad de sobrevivir que aporta cada uno de  los factores de riesgo en estudio y el tiempo promedio de supervivencia(en meses),  en el primer caso fue de 0,86 y 52 meses en general como promedio. Se identificaron  como factores pron&oacute;sticos, con efecto independiente para el evento de salida  (mortalidad por IAM): grupo de edad, colesterol elevado y desplazamiento del ST&gt;2mm.    <br>  </p>    <p align="center">Tabla 1.Riesgo relativo en pacientes con cardiopat&iacute;a  isqu&eacute;mica seg&uacute;n factores de riesgo seleccionados</p><table width="75%" border="1" align="center">  <tr> <td>Factores</td><td>     <div align="center">RR (IC 95 %)</div></td><td>     <div align="center">Chi  <span class="superscript">2</span></div></td><td>     ]]></body>
<body><![CDATA[<div align="center">p</div></td></tr>  <tr> <td>Sexo </td><td>     <div align="center">3,347 (0,922; 12,153)</div></td><td>      <div align="center">3,727 </div></td><td>     <div align="center">0,054</div></td></tr>  <tr> <td>Edad</td><td>     <div align="center">4,819 (1,659; 13,995)</div></td><td>      <div align="center">9,717 </div></td><td>     <div align="center">0,002</div></td></tr>  <tr> <td>Colesterol </td><td>     <div align="center">3,083 (1,039; 9,146)</div></td><td>      <div align="center">4,466</div></td><td>     <div align="center">0,035</div></td></tr>  <tr> <td>H&aacute;bito de fumar</td><td>     ]]></body>
<body><![CDATA[<div align="center">4,741 (1,306; 17,213)</div></td><td>      <div align="center">6,590</div></td><td>     <div align="center">0,010</div></td></tr>  <tr> <td>Diabetes mellitus </td><td>     <div align="center">0,724 (0,089; 5,870)  </div></td><td>     <div align="center">0,092</div></td><td>     <div align="center">0,762</div></td></tr>  <tr> <td>&Iacute;ndice de masa corporal</td><td>     <div align="center">0,538 (0,179;  1,611) </div></td><td>     <div align="center">1,260 </div></td><td>     <div align="center">0,262</div></td></tr>  <tr> <td>Hipertensi&oacute;n arterial </td><td>     <div align="center">1,716 (0,572;  5,144) </div></td><td>     ]]></body>
<body><![CDATA[<div align="center">0,948</div></td><td>     <div align="center">0,330</div></td></tr>  <tr> <td>Reacci&oacute;n hipertensiva</td><td>     <div align="center">1,699 (0,567;  5,092)</div></td><td>     <div align="center">0,913</div></td><td>     <div align="center">0,339</div></td></tr>  <tr> <td>C. desplazamiento del segmento ST </td><td>     <div align="center">1,139  (1,069; 1,214) </div></td><td>     <div align="center">8,516 </div></td><td>     <div align="center">0,040</div></td></tr>  <tr> <td>Desplazamiento del segmento </td><td>     <div align="center">ST 4,359 (1,050;  18,091)</div></td><td>     <div align="center">4,789</div></td><td>     ]]></body>
<body><![CDATA[<div align="center">0,029</div></td></tr>  <tr> <td>Dolor</td><td>     <div align="center">11,533 (2,735; 48,624) </div></td><td>      <div align="center">16,341 </div></td><td>     <div align="center">0,000</div></td></tr>  </table>    <p align="center"> Fuente: Encuesta.</p>    <p align="center">Tabla 2. Tiempo  y probabilidad de supervivencia en pacientes con cardiopat&iacute;a isqu&eacute;mica  seg&uacute;n factores de riesgo seleccionados</p><table border=1 cellspacing=0 cellpadding=0 style='  border-collapse:collapse;border:none;mso-border-alt:solid black .75pt;  mso-padding-alt:0cm 3.5pt 0cm 3.5pt' align="center"> <tr style='height:24.35pt'>  <td width=187 colspan=2 style='width:140.4pt;border:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt;height:24.35pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX>Factores</span></p></td><td width=72 style='width:54.0pt;border:solid black .75pt;border-left:none;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   24.35pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Eventos</span></p></td><td width=120 style='width:90.0pt;border:solid black .75pt;border-left:none;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   24.35pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Probabilidad supervivencia acumulada</span></p></td><td width=108 style='width:81.0pt;border:solid black .75pt;border-left:none;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   24.35pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-MX>Tiempo de supervivencia promedio (meses)</span></p></td><td width=72 style='width:54.0pt;border:solid black .75pt;border-left:none;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   24.35pt'>     ]]></body>
<body><![CDATA[<p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=EN-US style='mso-ansi-language:EN-US'>p</span></p></td></tr> <tr style='height:19.5pt'>  <td width=102 rowspan=2 style='width:76.7pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=EN-US style='mso-ansi-language:EN-US'>Sexo</span></p></td><td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=EN-US style='mso-ansi-language:EN-US'>F</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>3</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,9428</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>55</span></p></td><td width=72 rowspan=2 style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>0,0601</span></p></td></tr>  <tr style='height:19.5pt'> <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoTitle style='text-align:justify;line-height:normal' align="center"><span   lang=ES-TRAD style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-weight:   normal;text-decoration:none;text-underline:none'>M</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>13</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,8188</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>52</span></p></td></tr>  <tr style='height:19.5pt'> <td width=102 rowspan=5 style='width:76.7pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX>Edad</span></p></td><td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>&lt;  35</span></p></td><td width=72 valign=top style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>100</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>-</span></p></td><td width=72 rowspan=5 style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>0,0078</span></p></td></tr>  <tr style='height:19.5pt'> <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>35  – 44</span></p></td><td width=72 valign=top style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>3</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,8556</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>53</span></p></td></tr>  <tr style='height:19.5pt'> <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>45  – 54</span></p></td><td width=72 valign=top style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>3</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,9170</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>56</span></p></td></tr>  <tr style='height:19.5pt'> <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>55  – 64</span></p></td><td width=72 valign=top style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>9</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,7483</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>47</span></p></td></tr>  <tr style='height:19.5pt'> <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>&gt;  65</span></p></td><td width=72 valign=top style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify'><span lang=ES-MX>1</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,75</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>35</span></p></td></tr>  <tr style='height:19.5pt'> <td width=102 rowspan=2 style='width:76.7pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX>Colesterol</span></p></td><td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-MX>Sí</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>7</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,6575</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>49</span></p></td><td width=72 rowspan=2 style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>0,0154</span></p></td></tr>  <tr style='height:19.5pt'> <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-MX>No</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify'><span lang=ES-MX>9</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,9340</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>54</span></p></td></tr>  <tr style='height:19.5pt'> <td width=102 rowspan=2 style='width:76.7pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX>Hábito de fumar</span></p></td><td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-MX>Sí</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>13</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,7694</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>51</span></p></td><td width=72 rowspan=2 style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>0,0169</span><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'></span></p></td></tr> <tr style='height:19.5pt'>  <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-MX>No</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify'><span lang=ES-MX>3</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,9670</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>56</span></p></td></tr>  <tr style='height:19.5pt'> <td width=102 rowspan=2 style='width:76.7pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Diabetes mellitus</span></p></td><td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-MX>Sí</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>1</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,9000</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>54</span></p></td><td width=72 rowspan=2 style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>0,7227</span><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'></span></p></td></tr> <tr style='height:19.5pt'>  <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoTitle style='text-align:justify;line-height:normal' align="center"><span   lang=ES-TRAD style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-weight:   normal;text-decoration:none;text-underline:none'>No</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify'><span lang=ES-MX>15</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,8674</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>54</span></p></td></tr>  <tr style='height:19.5pt'> <td width=102 rowspan=2 style='width:76.7pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Índice de masa corporal</span></p></td><td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>&gt;  27</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>5</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,8844</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>55</span></p></td><td width=72 rowspan=2 style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>0,2451</span></p></td></tr>  <tr style='height:19.5pt'> <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>&lt;  27</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify'><span lang=ES-MX>11</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,8348</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>52</span></p></td></tr>  <tr style='height:19.5pt'> <td width=102 rowspan=2 style='width:76.7pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX>Hipertensión arterial</span></p></td><td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-MX>Sí</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>7</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,8666</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>54</span></p></td><td width=72 rowspan=2 style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>0,4019</span></p></td></tr>  <tr style='height:19.5pt'> <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoTitle style='text-align:justify;line-height:normal' align="center"><span   lang=ES-TRAD style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-weight:   normal;text-decoration:none;text-underline:none'>No</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify'><span lang=ES-MX>9</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,8711</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>53</span></p></td></tr>  <tr style='height:19.5pt'> <td width=102 rowspan=2 style='width:76.7pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'>Reacci&oacute;n  hipertensiva</p></td><td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-MX>Sí</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>11</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,8440</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>51</span></p></td><td width=72 rowspan=2 style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>0,0473</span><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'></span></p></td></tr> <tr style='height:19.5pt'>  <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-MX>No</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify'><span lang=ES-MX>5</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,9074</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>55</span></p></td></tr>  <tr style='height:19.5pt'> <td width=102 rowspan=2 style='width:76.7pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>C. desplazamiento del segmento  </span><span   lang=EN-US style='mso-ansi-language:EN-US'>ST</span></p></td><td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=EN-US style='mso-ansi-language:EN-US'>&lt; 125 w</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=EN-US   style='mso-ansi-language:EN-US'>16</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=EN-US   style='mso-ansi-language:EN-US'>0,8129</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=EN-US   style='mso-ansi-language:EN-US'>52</span></p></td><td width=72 rowspan=2 style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=EN-US   style='mso-ansi-language:EN-US'>0,0057</span></p></td></tr> <tr style='height:19.5pt'>  <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=EN-US style='mso-ansi-language:EN-US'>&gt; 125 w</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify'><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'>0</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'>-</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'>-</span></p></td></tr> <tr style='height:19.5pt'>  <td width=102 rowspan=2 style='width:76.7pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Desviación del segmento<span   style="mso-spacerun: yes">  </span>ST</span></p></td><td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>&gt; 2mm</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>8</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,6584</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>43</span></p></td><td width=72 rowspan=2 style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>0,0000</span><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'></span></p></td></tr> <tr style='height:19.5pt'>  <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>&lt; 2mm</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify'><span lang=ES-MX>8</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,9086</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>55</span></p></td></tr>  <tr style='height:19.5pt'> <td width=102 rowspan=2 style='width:76.7pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Dolor</span></p></td><td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-MX>Sí</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>6</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,4327</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>28</span></p></td><td width=72 rowspan=2 style='width:54.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>0,0000</span><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'></span></p></td></tr> <tr style='height:19.5pt'>  <td width=85 style='width:63.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal' align="center"><span   lang=ES-MX>No</span></p></td><td width=72 style='width:54.0pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   19.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify'><span lang=ES-MX>10</span></p></td><td width=120 style='width:90.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=ES-MX>0,9057</span></p></td><td width=108 style='width:81.0pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:19.5pt'>     <p class=MsoNormal style='text-align:justify' align="center"><span lang=ES-MX>55</span></p></td></tr>  </table>    <p align="center">Fuente: Encuesta.</p>    <p align="center">Tabla 3. Factores  pron&oacute;sticos seg&uacute;n modelo de regresi&oacute;n m&uacute;ltiple de  riesgos proporcionales de Cox    <br> </p><table border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;  border:none;mso-border-alt:solid black .75pt;mso-padding-alt:0cm 3.5pt 0cm 3.5pt' align="center">  <tr style='height:14.6pt'> <td width=100 rowspan=2 style='width:74.8pt;border:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt;height:14.6pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Variables</span></p></td><td width=63 rowspan=2 style='width:46.95pt;border:solid black .75pt;   border-left:none;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:14.6pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Riesgo relativo<span   style="mso-spacerun: yes">     </span></span></p></td><td width=125 colspan=2 style='width:93.85pt;border:solid black .75pt;   border-left:none;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:14.6pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'><span style="mso-spacerun:   yes">       </span></span><span lang=EN-US style='mso-ansi-language:EN-US'>IC  95 %</span></p></td><td width=50 rowspan=2 style='width:37.75pt;border:solid black .75pt;   border-left:none;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:14.6pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=EN-US style='mso-ansi-language:EN-US'><span style="mso-spacerun: yes">    </span>p</span></p></td></tr> <tr style='height:26.65pt'> <td width=68 style='width:50.7pt;border-top:none;border-left:none;border-bottom:   solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:solid black .75pt;   mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;height:   26.65pt'>     ]]></body>
<body><![CDATA[<p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=EN-US style='mso-ansi-language:EN-US'>LI</span></p></td><td width=58 style='width:43.15pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt;   height:26.65pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>LS</span></p></td></tr> <tr>  <td width=100 valign=top style='width:74.8pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>      <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Sexo</span></p></td><td width=63 valign=top style='width:46.95pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>1,7551</span><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'></span></p></td><td width=68 valign=top style='width:50.7pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>      <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>0,3432</span><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'></span></p></td><td width=58 valign=top style='width:43.15pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>8,9745</span><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'></span></p></td><td width=50 valign=top style='width:37.75pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='mso-fareast-language:ES;layout-grid-mode:line'>0,4993</span><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'></span></p></td></tr> <tr> <td width=100 valign=top style='width:74.8pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>      <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Edad</span></p></td><td width=63 valign=top style='width:46.95pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>2,5761</span><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'></span></p></td><td width=68 valign=top style='width:50.7pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>      <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>1,2698</span><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'></span></p></td><td width=58 valign=top style='width:43.15pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>5,2259</span><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'></span></p></td><td width=50 valign=top style='width:37.75pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='mso-fareast-language:ES;layout-grid-mode:line'>0,0087</span><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'></span></p></td></tr> <tr> <td width=100 valign=top style='width:74.8pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>      <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Colesterol</span></p></td><td width=63 valign=top style='width:46.95pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>4,0678</span><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'></span></p></td><td width=68 valign=top style='width:50.7pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>      <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>1,2801</span><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'></span></p></td><td width=58 valign=top style='width:43.15pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>12,9262</span><span lang=ES-TRAD   style='mso-ansi-language:ES-TRAD'></span></p></td><td width=50 valign=top style='width:37.75pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='mso-fareast-language:ES;layout-grid-mode:line'>0,0174</span><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'></span></p></td></tr> <tr> <td width=100 style='width:74.8pt;border:solid black .75pt;border-top:none;   mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-TRAD style='mso-ansi-language:ES-TRAD'>Hábito de fumar</span></p></td><td width=63 valign=top style='width:46.95pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoNormal style='text-align:justify'><span lang=EN-US   style='mso-ansi-language:EN-US;layout-grid-mode:line'>2,7227</span><span   lang=EN-US style='mso-ansi-language:EN-US'></span></p></td><td width=68 valign=top style='width:50.7pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>      <p class=MsoNormal style='text-align:justify'><span lang=EN-US   style='mso-ansi-language:EN-US;layout-grid-mode:line'>0,5739</span><span   lang=EN-US style='mso-ansi-language:EN-US'></span></p></td><td width=58 valign=top style='width:43.15pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoNormal style='text-align:justify'><span lang=EN-US   style='mso-ansi-language:EN-US;layout-grid-mode:line'>12,9166</span><span   lang=EN-US style='mso-ansi-language:EN-US'></span></p></td><td width=50 valign=top style='width:37.75pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=EN-US style='mso-ansi-language:EN-US;mso-fareast-language:ES;layout-grid-mode:   line'>0,2073</span><span lang=EN-US style='mso-ansi-language:EN-US'></span></p></td></tr>  <tr> <td width=100 valign=top style='width:74.8pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>      <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=EN-US style='mso-ansi-language:EN-US'>ST &gt;2mm</span></p></td><td width=63 valign=top style='width:46.95pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=EN-US style='mso-ansi-language:EN-US;layout-grid-mode:line'>10,9765</span><span   lang=EN-US style='mso-ansi-language:EN-US'></span></p></td><td width=68 valign=top style='width:50.7pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>      <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=EN-US style='mso-ansi-language:EN-US;layout-grid-mode:line'>3,3892</span><span   lang=EN-US style='mso-ansi-language:EN-US'></span></p></td><td width=58 valign=top style='width:43.15pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=EN-US style='mso-ansi-language:EN-US;layout-grid-mode:line'>35,5490</span><span   lang=EN-US style='mso-ansi-language:EN-US'></span></p></td><td width=50 valign=top style='width:37.75pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=EN-US style='mso-ansi-language:EN-US;mso-fareast-language:ES;layout-grid-mode:   line'>0,0001</span><span lang=EN-US style='mso-ansi-language:EN-US'></span></p></td></tr>  <tr> <td width=100 valign=top style='width:74.8pt;border:solid black .75pt;   border-top:none;mso-border-top-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>      <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=EN-US style='mso-ansi-language:EN-US'>Reacción HTA </span></p></td><td width=63 valign=top style='width:46.95pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>1,0084</span></p></td><td width=68 valign=top style='width:50.7pt;border-top:none;border-left:none;   border-bottom:solid black .75pt;border-right:solid black .75pt;mso-border-top-alt:   solid black .75pt;mso-border-left-alt:solid black .75pt;padding:0cm 3.5pt 0cm 3.5pt'>      <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>0,2975</span></p></td><td width=58 valign=top style='width:43.15pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     ]]></body>
<body><![CDATA[<p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='layout-grid-mode:line'>3,4178</span></p></td><td width=50 valign=top style='width:37.75pt;border-top:none;border-left:   none;border-bottom:solid black .75pt;border-right:solid black .75pt;   mso-border-top-alt:solid black .75pt;mso-border-left-alt:solid black .75pt;   padding:0cm 3.5pt 0cm 3.5pt'>     <p class=MsoBodyText2 style='text-align:justify;line-height:normal'><span   lang=ES-MX style='mso-fareast-language:ES;layout-grid-mode:line'>0,9893</span></p></td></tr>  </table>    <p align="center">Fuente: Encuesta.</p>    <div align="center"></div>    <p class=MsoNormal style='text-align:justify;mso-hyphenate:none;' align="center">En  la figura 1 se observa la curva general de supervivencia para los pacientes en  estudio y en la figura 2, el ajuste multivariado mediante la regresi&oacute;n  de Cox de esta curva, donde se aprecia un incremento en la probabilidad de supervivencia  (tabla 3).    <br> </p>    <p align="center"><a href="/img/revistas/med/v42n6/f0104603.jpg"><img src="/img/revistas/med/v42n6/f0104603.jpg" width="288" height="204" border="0"></a></p>    
<p align="center">Fig.  1.Curva de tiempo de supervivencia global.</p>    <p align="center"><a href="/img/revistas/med/v42n6/f0204603.jpg"><img src="/img/revistas/med/v42n6/f0204603.jpg" width="318" height="187" border="0"></a></p>    
<p align="center">  Fig. 2. Curva de tiempo de supervivencia seg&uacute;n modelo de regresi&oacute;n  m&uacute;ltiple de Cox.</p><h4>Discusi&oacute;n    ]]></body>
<body><![CDATA[<br> </h4>    <p><i>Launbjerg</i> y  otros realizaron, en Dinamarca, un estudio de seguimiento durante 10 a&ntilde;os  a pacientes que ingresaron con precordialgia en Unidades de Cuidados Coronarios  y fueron dados de alta como no infartados y compararon su supervivencia con la  de los pacientes egresados con diagn&oacute;stico positivo de IAM. La mortalidad  estimada para 10 a&ntilde;os mediante el m&eacute;todo de Kaplan Meier fue 58,8  % para infartados y 42 % para los que hab&iacute;an egresado como no infartados  y observaron que la mortalidad anual para ambos es 2 veces superior a la de la  poblaci&oacute;n general.8 El hecho de que estos estudios de supervivencia se  realicen casi de forma exclusiva en pacientes que ya sufrieron un primer IAM,  hace imposible la comparaci&oacute;n del tiempo de supervivencia acumulada en  nuestro grupo de estudio, no obstante, nos atrevemos a afirmar que la supervivencia  global fue buena, teniendo en cuenta que los mismos tuvieron altas probabilidades  de sobrevivir 54 de los 60 meses que dur&oacute; el estudio.    <br> </p>    <p>Este comportamiento  pudiera deberse al hecho de haber sido diagnosticados y dispensarizados tempranamente,  que permite, con la intervenci&oacute;n sobre los factores de riesgo cardiovascular,  disminuir la aparici&oacute;n de complicaciones coronarias que descienden dr&aacute;sticamente  las expectativas de vida de estos pacientes.     <br> </p>    <p>Sin lugar a duda, el  envejecimiento, que se acompa&ntilde;a de varios reajustes del sistema cardiovascular,<span class="superscript">9</span>  es un factor que influye desfavorablemente en el pron&oacute;stico de supervivencia  de los pacientes con CI de ambos sexos, como se observ&oacute; en el estudio.  El pertenecer a un determinado grupo de edad es un marcador de riesgo no modificable,  sin embargo, el conocer el comportamiento de la enfermedad en funci&oacute;n de  esta variable, permitir&aacute; identificar, controlar y prevenir en estos sujetos  otros factores pron&oacute;sticos de riesgo coronario que influyen de forma independiente  en el desarrollo de un proceso cardiovascular isqu&eacute;mico.    <br> </p>    <p>Esta  afecci&oacute;n tradicionalmente ha aportado mayor letalidad global en el sexo  masculino tal y como aparece en este estudio. Se han invocado factores endocrinos,  como son los estr&oacute;genos en la mujer como factores protectores, los cuales  al disminuir durante la posmenospausia igualan el riesgo a fallecer por CI en  ambos sexos.<span class="superscript">10,11</span>     <br> </p>    <p>Si existe un factor  de riesgo independiente de indiscutible preponderancia en la aparici&oacute;n  y el pron&oacute;stico de la enfermedad coronaria es el aumento del colesterol  plasm&aacute;tico. En una revisi&oacute;n reciente de 9 estudios epidemiol&oacute;gicos,12  utilizando an&aacute;lisis multivariante, se demostr&oacute; que el efecto independiente  del colesterol sobre el riesgo de cardiopat&iacute;a isqu&eacute;mica se materializa  en un incremento del 9,1 % por cada 10 mg/dL de aumento del colesterol s&eacute;rico,  lo que equivale, aproximadamente, a un aumento del 2 % en la tasa de cardiopat&iacute;a  isqu&eacute;mica por cada 1 % de aumento en la concentraci&oacute;n de colesterol  total plasm&aacute;tico; no se ha descrito una relaci&oacute;n similar con el  riesgo coronario con ning&uacute;n otro factor de riesgo.    ]]></body>
<body><![CDATA[<br> </p>    <p>La DM ha  demostrado ser un factor de riesgo para el establecimiento de la enfermedad coronaria  con un importante papel en la lesi&oacute;n endotelial como base fisiopatol&oacute;gica  de esta enfermedad, pero su presencia no mejor&oacute; ni empeor&oacute; el pron&oacute;stico  de los pacientes con CI diagnosticada. Recientemente, <i>Evans</i> y otros <span class="superscript">13</span>  demostraron, con curvas de supervivencia de Kaplan Meier, que la cohorte de diab&eacute;ticos  tipo 2 ten&iacute;a menor riesgo de morir por cardiopat&iacute;a isqu&eacute;mica  comparado con la de pacientes infartados no diab&eacute;ticos. Estudios realizados  en los Estados Unidos por <i>Gu</i> y otros determinan que en el per&iacute;odo  1971-93 predominaron los fallecidos de m&aacute;s de 15 a&ntilde;os de evoluci&oacute;n  en pacientes diab&eacute;ticos.<span class="superscript">14</span> Los investigadores  en la provincia tambi&eacute;n reportan que entre 1980 y 1983, el 46,5 % de los  diab&eacute;ticos fallecidos ten&iacute;an un tiempo de evoluci&oacute;n entre  10 y 20 a&ntilde;os.<span class="superscript">15</span>     <br> </p>    <p><i>Ove</i>  y otros<span class="superscript">16</span> reportan, en su estudio en hombres  hipertensos tratados, que estos tienen una probabilidad de supervivencia disminuida  para la muerte por cardiopat&iacute;a isqu&eacute;mica (OR=1,9), a&uacute;n cuando  en los primeros 10 a&ntilde;os del seguimiento las diferencias con los individuos  normotensos no fueron muy evidentes.     <br> </p>    <p>El hecho de que tanto la CI como  las enfermedades asociadas a ella (HTA, DM) sean entidades de largo per&iacute;odo  de evoluci&oacute;n entra&ntilde;a la limitaci&oacute;n que para este estudio  signific&oacute; tener que constre&ntilde;irnos al an&aacute;lisis de s&oacute;lo  5 a&ntilde;os, considerando que la continuidad de esta investigaci&oacute;n en  el futuro deber&aacute; profundizar aquellos cambios o aspectos de aparici&oacute;n  gradual dependientes del tiempo.    <br> </p>    <p>No podemos relacionar significativamente  un IMC &gt; 27 con la mortalidad por enfermedad coronaria, ya que en nuestro contexto  la obesidad no es un problema de salud con la magnitud que alcanza en otros escenarios  de donde procede buena parte de la bibliograf&iacute;a. A m&aacute;s de que a  partir de la &uacute;ltima pasada d&eacute;cada y a tenor de las dif&iacute;ciles  condiciones econ&oacute;micas que nos impuso el bloqueo y la desintegraci&oacute;n  del CAME, un elevado porcentaje de nuestra poblaci&oacute;n disminuy&oacute; la  ingesta de carbohidratos y grasas saturadas, aument&oacute; la actividad f&iacute;sica  sistem&aacute;tica y el consumo de vegetales, lo que a la postre funciona como  una intervenci&oacute;n sobre los estilos y condiciones de vida nocivos para la  salud cardiovascular.<span class="superscript">17</span>     <br> </p>    <p>La prueba  ergom&eacute;trica, en su finalidad pron&oacute;stica en pacientes con cardiopat&iacute;a  isqu&eacute;mica, est&aacute; encaminada a identificar los pacientes en los cuales  una enfermedad coronaria m&aacute;s severa hace necesario un tratamiento m&eacute;dico  y/o quir&uacute;rgico m&aacute;s intenso antes de que ocurra un episodio coronario  agudo. <i>Turnstall</i>-<i>Pedoe</i> plantea en su trabajo, que al comparar los  individuos con trastornos coronarios isqu&eacute;micos, demostrados por la cl&iacute;nica  y la electrocardiograf&iacute;a, con aquellos libres de este antecedente, se observ&oacute;  en los primeros un incremento elevado de riesgo relativo para la muerte por cardiopat&iacute;a  isqu&eacute;mica y por todas las causas.<span class="superscript">18</span> La  reacci&oacute;n hipertensiva en el curso de la PED est&aacute; expresando el aumento  de la masa mioc&aacute;rdica, fundamentalmente ventricular izquierda, que aparece  como mecanismo compensador de una hipertensi&oacute;n sist&eacute;mica, en muchos  casos desconocida por el paciente por ser asintom&aacute;tica, y que se invoca  como la principal responsable de la muerte s&uacute;bita por el da&ntilde;o funcional  de esta cavidad.     ]]></body>
<body><![CDATA[<br> </p>    <p>Estudios realizados por <i>Rivas Estany</i> y otros  en pacientes infartados encontraron que se pod&iacute;a predecir mortalidad elevada  en aquellos que presentaron desplazamiento a cargas menores de 100 W como expresi&oacute;n  de una isquemia residual posinfarto.<span class="superscript">19</span> El hecho  de que los pacientes de nuestro estudio presentaran asociaci&oacute;n significativa  entre la supervivencia y el desplazamiento del ST a cargas &lt; 125 W, se&ntilde;ala  la utilidad de este hallazgo ergom&eacute;trico para estratificar el riesgo de  los pacientes con PED positiva.    <br> </p>    <p>El desplazamiento del ST se relaciona  fundamentalmente con la extensi&oacute;n de la isquemia,<span class="superscript">19</span>  por lo cual es elocuente que en pacientes que no han sufrido a&uacute;n infarto  agudo del miocardio , ya exista un d&eacute;ficit del flujo coronario tal que  se traduzca en una desviaci&oacute;n mayor de 2 mm, la cual en este estudio present&oacute;  un riesgo significativo.    <br> </p>    <p>En conclusi&oacute;n, se determin&oacute;  la funci&oacute;n de supervivencia global y por estratos, para los individuos  en los que se detecta precozmente que padecen cardiopat&iacute;a isqu&eacute;mica,  seg&uacute;n los factores seleccionados y se identificaron como factores pron&oacute;sticos  independientes para estos pacientes: la edad, colesterol y desplazamiento del  ST mayor de 2mm durante la prueba ergom&eacute;trica.    <br> </p><h4></h4><h4></h4><h4></h4><h4>Summary</h4>A  cohort retrospective historical study of all the patients who had been diagnosed  an ischemic heart disease between January, 1997, and December, 2000, was conducted  at the office of Cardiology of &quot;Faustino P&eacute;rez&quot; Hospital, in  Matanzas. Their follow-up was extended to December 2001 to characterize them and  to determine the prognostic factors influencing their further survival. The accumulated  survival curves and the accumulated survival average time (54 months, IC 95 %  = 52;56) were obtained, with a survival probability of 0.86. The patients with  the worst prognosis were those among whom an ergometric diagnostic test was associated  with displacement of the ST segment over 2 mm at advanced age and presence of  hypercholesterolemia.     <p><i>Subject headings</i>: MYOCARDIAL ISCHEMIA; SURVIVAL  RATE.</p><h4>Referencias bibliogr&aacute;ficas    <br> </h4><ol>     <!-- ref --><li> MINSAP. Programa  Nacional de Prevenci&oacute;n, Diagn&oacute;stico, Evaluaci&oacute;n y Control  de la Cardiopat&iacute;a isqu&eacute;mica. VII Revisi&oacute;n. 1999. La Habana.  Cuba.</li>    <!-- ref --><li> De la Figuera von Wichmann M. Factores de riesgo cardiovascular:  abordaje global. FMC [en l&iacute;nea] 2000; 7(supl 5):59-66. [Fecha de acceso  15 de julio de 2001] Disponible en: <a href="http://www.msc.es/salud">http://www.msc.es/salud</a>  </li>    <!-- ref --><li> McGovern PG, Burke GL, Sprafka JM, Xue S, Folsom AR, Blackburn H. Trends  in mortality, morbidity, and risk factor levels for stroke from 1960 through 1990.  The Minnesota heart survey. JAMA 1992;268:753-9.</li>    <!-- ref --><li> Daviglus ML, Liu K,  Greenland P, Dyer AR. Benefit of a favorable cardiovascular risk factor profile  in middle age with respect to Medicare costs. N Engl J Med 1998;339(16):1122-9.</li>    <!-- ref --><li>  CPHE Matanzas. Cuadro Epidemiol&oacute;gico Provincial. Matanzas, 1999-2000. Dpto.  de Enfermedades No Transmisibles.</li>    <!-- ref --><li> Fletcher RH, Fletcher SW, Wagner EH.  Epidemiolog&iacute;a cl&iacute;nica. Barcelona: Ediciones Consulta; 1989. </li>    <!-- ref --><li>  Grima Serrano A y otros. Prevalencia de los factores de riesgo cardiovascular  cl&aacute;sicos en una poblaci&oacute;n laboral mediterr&aacute;nea de 4 996 varones.  Rev Esp Cardiol 1999;52: 910-8.</li>    <!-- ref --><li> Launbjerg J, Fruergaard P, Madsen JK,  Mortensen LS, Hansen JF. Ten year mortality in patients with suspected acute myocardial  infarction. Br Med J 1994;308:1196-9. </li>    <!-- ref --><li> Weisfelt ML. The aging heart.  Hosp Pract 1985;20:115-9.</li>    <!-- ref --><li> Abadal Llu&iacute;s T. Riesgo cardiovascular  en la menopausia: mito, paradoja o realidad. Importancia de las observaciones  cl&iacute;nicas frente a la interpretaci&oacute;n de los datos estad&iacute;sticos.  Rev Esp Cardiol 1999; 52:463-6.</li>    <!-- ref --><li> Farley TM, Collins J, Schlesselman JJ.  Hormonal contraception and risk of cardiovascular disease. An international perspective.  Contraception 1998;57 (3):211-30.</li>    <!-- ref --><li> Sociedad Espa&ntilde;ola de Arteriosclerosis,  Sociedad Espa&ntilde;ola de Medicina Interna y Liga de la Lucha contra la Hipertensi&oacute;n  Arterial. Recomendaciones para la prevenci&oacute;n primaria de la enfermedad  cardiovascular [en l&iacute;nea] 2000. [Fecha de acceso 22 de marzo 2002]. Disponible  en: <a href="http://www.searteriosclerosis.org/recomendaciones/%20recom2.htm#INDICE">http://www.searteriosclerosis.org/recomendaciones/  recom2.htm#INDICE</a>. </li>    <!-- ref --><li> Evans Josie MM, Jixian Wang, Andrew D Morris.  Comparison of cardiovascular risk between patients with type 2 diabetes and those  who had had a myocardial infarction: cross sectional and cohort studies. Br Med  J 2002;324:939. </li>    <!-- ref --><li> Gu K, Cowie CC, Harris MI. Mortality in adults with  and without diabetes in a national cohort of the US population, 1971-1993. Diabetes  Care 1998; 21(7): 1138-45.</li>    <!-- ref --><li> Gonz&aacute;lez J. Causas de muerte y hallazgos  necr&oacute;psicos en los diab&eacute;ticos fallecidos entre 1980 y 1983. Trabajo  para optar por el t&iacute;tulo de Especialista en Medicina Interna. Hospital  Provincial Matanzas. 1984.</li>    <!-- ref --><li> Ove KA, Torbj&ouml;rn Almgren, Bengt Persson,  Ola Samuelsson, Thomas Hedner, Lars Wilhelmsen. Survival in treated hypertension:  follow up study after two decades. Br Med J 1998;317:167-71. </li>    <!-- ref --><li> Hern&aacute;ndez  Ca&ntilde;ero A. Mortalidad por cardiopat&iacute;a isqu&eacute;mica en Cuba. El  papel de la dieta y el colesterol s&eacute;rico. Rev Cubana Cardiol Cir Cardiovas  1999;13(1):8-12.</li>    <!-- ref --><li> Tunstall-Pedoe H, Roger Tavendale MW, Brook RA', McCluskey  MK. Comparison of the prediction by 27 different factors of coronary heart disease  and death in men and women of the Scottish heart health study: cohort study. 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<body><![CDATA[<p>Recibido:  3 de noviembre de 2003. Aprobado: 26 de noviembre de 2003.    <br> Dra. <i>Ada de  las Mercedes Prior Garc&iacute;a</i>. Hospital Clinicoquir&uacute;rgico &quot;Faustino  P&eacute;rez,&quot; Matanzas, Cuba.</p>    <p><span class="superscript"><a href="#autor">1</a></span><a href="#autor">  Especialista de I Grado en Medicina General Integral. Especialista de I Grado  en Higiene y Epidemiolog&iacute;a.    <br> <span class="superscript"><b>2</b></span>  Especialista de II Grado en Bioestad&iacute;stica. Master Inform&aacute;tica en  Salud.</a><a name="cargo"></a>    <br> </p>      ]]></body><back>
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