<?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>S0034-75232021000200004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de mortalidad y comorbilidad por Covid-19 en Cuba]]></article-title>
<article-title xml:lang="en"><![CDATA[Analysis of mortality and comorbidity due to covid-19 in Cuba]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León Álvarez]]></surname>
<given-names><![CDATA[Jorge Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calderón Martínez]]></surname>
<given-names><![CDATA[Marcy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Rojas]]></surname>
<given-names><![CDATA[Angela Rosa]]></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>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>60</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75232021000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75232021000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75232021000200004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Las comorbilidades se han relacionado con mayor riesgo de contraer COVID-19, de tener mala evolución y de mortalidad.  Objetivo:  Identificar factores de riesgo asociados a la mortalidad al final de la estadía hospitalaria de los pacientes con diagnóstico de COVID-19 en Cuba.  Métodos:  Investigación retrospectiva, de la totalidad de pacientes confirmados con COVID-19 en Cuba, con 18 años o más, diagnosticados entre el 11 de marzo al 15 de octubre de 2020. La fuente de información fue la base de datos nacional del Ministerio de Salud Pública. Se recopilaron edad, sexo y comorbilidades. Clasificados en recuperados y fallecidos. Estudio analítico de factores y comorbilidades asociadas a la mortalidad.  Resultados:  Se analizaron 5 490 pacientes (97,7 % recuperados vs 2,3 % fallecidos). Los fallecidos tenían significativamente más edad (72,8 vs 44,5 años). Las comorbilidades más frecuentes en fallecidos fueron hipertensión (47,6 % vs 7,8 %), diabetes (27,4 % vs 2,6 %), cardiopatía isquémica (14,5 % vs 0,9 %), enfermedad renal crónica (11,3 % vs 0,3 %) y EPOC (11,3 % vs 0,5 %). Se encontró riesgo independiente de mortalidad a la edad de 60 años o más (OR:10,090, IC 95 %: 6,247-16,299), enfermedad renal crónica (OR:8,434, IC 95 %: 3,400-20,919), cáncer (OR:7,169, IC 95 %: 2,920-17,601), enfermedad pulmonar obstructiva crónica (OR:5,300, IC95 %: 2,376-11,822), obesidad (OR:4,230, IC 95 %: 1,362-13,139), insuficiencia cardiaca (OR:4,197, IC 95 %: 1,085-16,244), diabetes (OR:2,360, IC 95 %: 1,339-4,159), hipertensión (OR:2,264, IC 95 %: 1,398-3,668) y cardiopatía isquémica (OR:2,321, IC 95 %: 1,168-4,610). Se encontró asociación significativa de comorbilidades, con dos, tres y más de tres (OR: 22,9, IC 95 %: 13,4-39.2), (OR:72,5, IC 95 %: 39,8-132,1) y (OR:88,9, IC 95 %: 36,2-217,8), respectivamente. La combinación de comorbilidades más frecuente entre los fallecidos fue: hipertensión con diabetes (17,7 % vs 1,9 %) e hipertensión con enfermedad renal crónica (8,1 % vs 0,2 %).  Conclusiones:  La edad avanzada, la enfermedad renal crónica, cardiopatía isquémica, insuficiencia cardiaca, hipertensión, diabetes, cáncer, enfermedad pulmonar obstructiva crónica, obesidad y el número de comorbilidades se relacionaron significativamente con la mortalidad y podrían ayudar a identificar a los pacientes con mayor riesgo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Comorbidities have been related to highrisk of contracting COVID-19, and of having poor evolution and mortality.  Objective:  To identify risk factors associated with mortality at the end of the hospital stay in patients diagnosed with COVID-19 in Cuba.  Methods:  A retrospective cohort of all patients confirmed COVID-19 in Cuba, aged 18 years or older, diagnosed from March 11 to October 15, 2020. The source of information was the national database of the Ministry of Public health. Age, sex and comorbidities were collected, and classified as recovered and deceased. This is an analytical study of factors and comorbidities associated with mortality.  Results:  This study analyzed 5,490 patients (97.7% recovered vs 2.3% deceased). The deceased were significantly older (72.8 vs 44.5 years). The most frequent comorbidities in the deceased were hypertension (47.6% vs 7.8%), diabetes (27.4% vs 2.6%), ischemic heart disease (14.5% vs 0.9%), chronic kidney disease (11.3% vs 0.3%) and COPD (11.3% vs 0.5%). An independent risk of mortality was found at the age of 60 years or more (OR: 10,090, 95% CI: 6,247-16,299), chronic kidney disease (OR: 8,434, 95% CI: 3,400-20,919), cancer (OR: 7,169 , 95% CI: 2,920-17,601), chronic obstructive pulmonary disease (OR: 5,300, 95% CI: 2,376-11,822), obesity (OR: 4,230, 95% CI: 1,362-13,139), heart failure (OR: 4,197, CI 95%: 1,085-16,244), diabetes (OR: 2,360, 95% CI: 1,339-4,159), hypertension (OR: 2,264, 95% CI: 1,398-3,668) and ischemic heart disease (OR: 2,321, 95% CI: 1,168 -4,610). A significant association of comorbidities was found, with two, three and more than three (OR: 22.9, 95% CI: 13.4-39.2), (OR: 72.5, 95% CI: 39.8-132, 1) and (OR: 88.9, 95% CI: 36.2-217.8) respectively. The most frequent combination of comorbidities among the deceased subjects was hypertension with diabetes (17.7% vs 1.9%) and hypertension with chronic kidney disease (8.1% vs 0.2%).  Conclusions:  Advanced age, chronic kidney disease, ischemic heart disease, heart failure, hypertension, diabetes, cancer, chronic obstructive pulmonary disease, obesity and the number of comorbidities were significantly related to mortality and could help to identify patients with higher risk.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="es"><![CDATA[coronavirus]]></kwd>
<kwd lng="es"><![CDATA[comorbilidades]]></kwd>
<kwd lng="es"><![CDATA[mortalidad]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="en"><![CDATA[coronavirus]]></kwd>
<kwd lng="en"><![CDATA[comorbidities]]></kwd>
<kwd lng="en"><![CDATA[mortality]]></kwd>
</kwd-group>
</article-meta>
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<name>
<surname><![CDATA[Zhao]]></surname>
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<name>
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<article-title xml:lang=""><![CDATA[Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China]]></article-title>
<source><![CDATA[Lancet]]></source>
<year>2020</year>
<volume>395</volume>
<numero>10223</numero>
<issue>10223</issue>
<page-range>497-506</page-range></nlm-citation>
</ref>
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</article>
