<?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>S0034-75232021000300009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia y factores de riesgo de demencia en personas de 80 años o más]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence and risk factors for dementia in people 80 years or older]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fonte Sevillano]]></surname>
<given-names><![CDATA[Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Llibre Rodríguez]]></surname>
<given-names><![CDATA[Juan de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos Hedman]]></surname>
<given-names><![CDATA[Damián Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Clínico Quirúrgico &#8220;Hermanos Ameijeiras&#8221;  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>60</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75232021000300009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75232021000300009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75232021000300009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La demencia es el padecimiento que más contribuye a la discapacidad, dependencia y mortalidad en las personas mayores.(1) Sin embargo, se desconoce la frecuencia y naturaleza del problema en la población más envejecida de la provincia La Habana, Cuba.  Objetivos:  Determinar la prevalencia y factores de riesgo de demencia en personas de 80 años o más.  Métodos:  Se realizó un análisis secundario de la base de datos del estudio Envejecimiento y Alzheimer (10-66) en el período comprendido entre junio 2003 y diciembre 2007. Se realizó un estudio descriptivo de corte transversal en siete áreas de salud seleccionadas de la provincia La Habana. El universo estuvo constituido por 2017 personas de 65 años o más. Se tomó una muestra de 480 personas de 80 años o más, los cuales cumplieron con los criterios de inclusión y exclusión. Los datos fueron validados estadísticamente mediante el chi cuadrado, t de student, la regresión de Poisson y de Cox.  Resultados:  La prevalencia de demencia en personas de 80 años o más fue de 25,8 %, encontrándose, significativamente, influenciada por la presencia de comorbilidad (OR 7, 90; IC 95 % 6,27- 9,94). Un mayor nivel educacional se asoció con menor riesgo de demencia (OR 0,76; IC 95 % 0,66-0,88).  Conclusiones:  Se evidenció una alta prevalencia de demencia en personas mayores de 80 años o más. Un mayor nivel educacional mostró efecto protector, se identificó una asociación entre comorbilidad y presencia de demencia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Dementia is the disease that contributes the most to disability, dependency and mortality in the elderly. However, the frequency and nature of the problem in the older population of Havana province, Cuba, is unknown.  Objectives:  To determine the prevalence and risk factors of dementia in people 80 years or older.  Methods:  A secondary analysis of the database of the study Aging and Alzheimer (10-66) was carried out from June 2003 to December 2007. A descriptive cross-sectional study was carried out in seven selected health areas of Havana province. The universe was made up of 2017 people aged 65 and over. A sample of 480 people aged 80 years or older was taken, who met the inclusion and exclusion criteria. The data were statistically validated using chi square, Student's t, Poisson and Cox regression.  Results:  The prevalence of dementia in people older than 80 years was 25.8%, being significantly influenced by the presence of comorbidity (OR 7.90; 95% CI 6.27-9.94). A higher educational level was associated with a lower risk of dementia (OR 0.76; 95% CI 0.66-0.88).  Conclusions:  A high prevalence of dementia was evidenced in people older than 80 years or older. A higher educational level showed a protective effect, an association between comorbidity and the presence of dementia was identified.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[demencia]]></kwd>
<kwd lng="es"><![CDATA[factores de riesgo]]></kwd>
<kwd lng="es"><![CDATA[persona mayor]]></kwd>
<kwd lng="en"><![CDATA[dementia]]></kwd>
<kwd lng="en"><![CDATA[risk factor's]]></kwd>
<kwd lng="en"><![CDATA[old person]]></kwd>
</kwd-group>
</article-meta>
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