<?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. Cuban de 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>S0034-75232023000100005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores de riesgo de mortalidad en pacientes con enfermedad pulmonar obstructiva crónica exacerbada]]></article-title>
<article-title xml:lang="en"><![CDATA[Risk factors for mortality in patients with exacerbated chronic obstructive pulmonary disease]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Concepción]]></surname>
<given-names><![CDATA[Juana del Pilar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Conde Fernández]]></surname>
<given-names><![CDATA[Berto Delis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orellana Meneses]]></surname>
<given-names><![CDATA[Geovanis Alcides]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdés Rodríguez]]></surname>
<given-names><![CDATA[Manuel Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lorenzo Rubio]]></surname>
<given-names><![CDATA[Juan Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdés Rodríguez]]></surname>
<given-names><![CDATA[Aramís Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Provincial General &#8220;Camilo Cienfuegos&#8221;  ]]></institution>
<addr-line><![CDATA[ Sancti Spíritus]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias Médicas  ]]></institution>
<addr-line><![CDATA[ Sancti Spíritus]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<volume>62</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75232023000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75232023000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75232023000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La enfermedad pulmonar obstructiva crónica es un problema de salud; constituye la tercera causa de muerte en el mundo, la exacerbación de esta enfermedad es responsable del fallecimiento de un elevado porcentaje de pacientes.  Objetivo:  Identificar factores de riesgo de mortalidad en pacientes hospitalizados con enfermedad pulmonar obstructiva crónica exacerbada.  Métodos: Se realizó una investigación transversal, analítica, en el Hospital General Provincial &#8220;Camilo Cienfuegos&#8221; de Sancti Spíritus, durante dos años. Se incluyeron 335 pacientes. Se estudiaron variables sociodemográficas y clínicas. Para la identificación de factores de riesgo se elaboró un modelo de regresión logística binaria mediante el método hacia delante de Wald.  Resultados: En el modelo de regresión logística el índice de porcentaje global que mostró la relación entre lo pronosticado respecto a lo observado fue de un 94,6 %. Los predictores utilizados explicaron el 86,3 % de la variabilidad de la variable dependiente. El análisis estadístico permitió identificar factores de riesgo de mortalidad: insuficiencia respiratoria aguda, diagnóstico de neumonía, tromboembolismo pulmonar, edad mayor de 60 años y adicción tabáquica.  Conclusiones: La identificación de cinco factores de riesgo de mortalidad en pacientes hospitalizados por enfermedad pulmonar obstructiva crónica exacerbada, con el empleo de un modelo predictivo para el cálculo de la probabilidad de fallecimiento; contribuyó al perfeccionamiento de la atención médica individualizada, en función de minimizar la ocurrencia de eventos fatales en estos pacientes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Chronic obstructive pulmonary disease is a health problem; It is the third cause of death in the world, the exacerbation of this disease is responsible for the death of a high percentage of patients.  Objective:  To identify risk factors for mortality in hospitalized patients with exacerbated chronic obstructive pulmonary disease.  Methods:  A cross-sectional, analytical investigation was carried out, based on the epidemiological design of correlational studies, at the &#8220;Camilo Cienfuegos&#8221; Provincial General Hospital of Sancti Spíritus, for two years. 335 patients were included. Sociodemographic and clinical variables were studied. To identify risk factors, a binary logistic regression model was developed using the Wald forward method. Mortality during hospitalization for exacerbated COPD was considered the dependent variable.  Results:  In the logistic regression model, the global percentage index that showed the relationship between what was predicted with respect to what was observed was 94, 6 %. The predictors used explained 86, 3 % of the variability of the dependent variable. Statistical analysis allowed us to identify the following risk factors for mortality: acute respiratory failure, diagnosis of pneumonia, pulmonary thromboembolism, age over 60 years, and smoking addiction.  Conclusions:  The identification of five mortality risk factors in patients hospitalized for exacerbated COPD, with the use of a predictive model to calculate the probability of death; contributes to the improvement of individualized medical care, in order to minimize the occurrence of fatal events in these patients.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[factores de riesgo]]></kwd>
<kwd lng="es"><![CDATA[enfermedad pulmonar obstructiva crónica]]></kwd>
<kwd lng="es"><![CDATA[mortalidad]]></kwd>
<kwd lng="en"><![CDATA[risk factors]]></kwd>
<kwd lng="en"><![CDATA[exacerbated COPD]]></kwd>
<kwd lng="en"><![CDATA[mortality]]></kwd>
</kwd-group>
</article-meta>
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