<?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>0016-3813</journal-id>
<journal-title><![CDATA[Gaceta médica de México]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. Méd. Méx]]></abbrev-journal-title>
<issn>0016-3813</issn>
<publisher>
<publisher-name><![CDATA[Academia Nacional de Medicina de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-38132021000300246</article-id>
<article-id pub-id-type="doi">10.24875/gmm.20000644</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Epidemiología de los pacientes hospitalizados con COVID-19 en un hospital de tercer nivel]]></article-title>
<article-title xml:lang="en"><![CDATA[Epidemiology of hospitalized patients with COVID-19 in a tertiary care hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maza-De La Torre]]></surname>
<given-names><![CDATA[Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montelongo-Mercado]]></surname>
<given-names><![CDATA[Edgardo A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Noyola-Villalobos]]></surname>
<given-names><![CDATA[Héctor F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Ruiz]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Díaz]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santiago-Torres]]></surname>
<given-names><![CDATA[Martha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno-Delgado]]></surname>
<given-names><![CDATA[Luis F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrera-Altamirano]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Monroy]]></surname>
<given-names><![CDATA[Omar E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Cuazitl]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-González]]></surname>
<given-names><![CDATA[Mayra A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Medina]]></surname>
<given-names><![CDATA[Martín U.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvarado-Uribe]]></surname>
<given-names><![CDATA[Óscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Vázquez]]></surname>
<given-names><![CDATA[Julián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Figueroa-Peña]]></surname>
<given-names><![CDATA[Aldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Salazar]]></surname>
<given-names><![CDATA[Iván N.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af9">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="A10">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="A11">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="A12">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="A13">
<institution><![CDATA[,Hospital Central Militar  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</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>157</volume>
<numero>3</numero>
<fpage>246</fpage>
<lpage>254</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-38132021000300246&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-38132021000300246&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-38132021000300246&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: COVID-19, causada por el betacoronavirus SARS-CoV-2, ha saturado los sistemas de salud del mundo.  Objetivo: Describir las características epidemiológicas de los pacientes atendidos en un hospital de tercer nivel.  Métodos: Se realizó una cohorte retrospectiva de pacientes con diagnóstico o sospecha de COVID-19, del 23 de marzo al 31 de julio de 2020.  Resultados: En el Hospital Central Militar se hospitalizaron 4401 pacientes, 35 % derechohabientes, 26 % civiles, 28 % militares en activo y solo 11 %, militares retirados. Predominó el sexo masculino, tanto en los pacientes hospitalizados como en los que fallecieron, el grupo O+ y la ausencia de comorbilidades; entre las comorbilidades que se observaron, las principales fueron el sobrepeso y la diabetes. La mediana de edad de los pacientes hospitalizados fue de 49 años, mientras que 62 años fue la edad de quienes fallecieron; las mujeres mayores de 51 años tuvieron mayor riesgo de fallecer. La tasa de letalidad ajustada fue de 18.5 %; 50 % falleció durante los primeros seis días.  Conclusiones: En este estudio se lograron identificar las características epidemiológicas y se destacaron las principales comorbilidades en pacientes mexicanos con infección por SARS-CoV-2.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: COVID-19, caused by the betacoronavirus SARS-CoV-2, has overwhelmed the world's health systems.  Objective: To describe the epidemiological characteristics of patients treated in a tertiary care hospital.  Methods: A retrospective cohort study of patients diagnosed with or suspected of having COVID-19 from March 23 to July 31, 2020 was conducted.  Results: 4,401 patients were hospitalized at the Central Military Hospital, out of which 35 % were beneficiaries, 26 % civilians, 28 % active military, and only 11%, retired military. Male gender predominated, both in hospitalized patients and in those who died, as well as the O+ group and absence of comorbidities; among the observed comorbidities, the main ones were overweight and diabetes. Hospitalized patients' median age was 49 years, while median age of those who died was 62 years; women older than 51 years had a higher risk of dying. Adjusted case fatality rate was 18.5 %; 50 % died within the first six days.  Conclusions: In this study, the epidemiological characteristics and main comorbidities in Mexican patients with SARS-CoV-2 infection were identified.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Epidemiología]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Hospital de tercer nivel]]></kwd>
<kwd lng="en"><![CDATA[Epidemiology]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Tertiary care hospital]]></kwd>
</kwd-group>
</article-meta>
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