<?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>0123-9392</journal-id>
<journal-title><![CDATA[Infectio]]></journal-title>
<abbrev-journal-title><![CDATA[Infect.]]></abbrev-journal-title>
<issn>0123-9392</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Infectología.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-93922025000200061</article-id>
<article-id pub-id-type="doi">10.22354/24223794.1221</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Long-term survival and factors associated with mortality in patients with Community-Acquired Pneumonia and COVID-19: A retrospective cohort study]]></article-title>
<article-title xml:lang="es"><![CDATA[Supervivencia a Largo Plazo y Factores Asociados con la Mortalidad en Pacientes con Neumonía Adquirida en la Comunidad y COVID-19: Un Estudio de Cohorte Retrospectivo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tuta-Quintero]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Ayala]]></surname>
<given-names><![CDATA[Camila]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bastidas-Goyes]]></surname>
<given-names><![CDATA[Alirio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Diaz Quijano]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerrero]]></surname>
<given-names><![CDATA[Ivan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Román]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peña]]></surname>
<given-names><![CDATA[Nicolas]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[Luisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Celedón]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Perdomo-Parra]]></surname>
<given-names><![CDATA[Maddy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af9">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A10">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>29</volume>
<numero>2</numero>
<fpage>61</fpage>
<lpage>67</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-93922025000200061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-93922025000200061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-93922025000200061&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Community-acquired pneumonia (CAP) is a leading cause of infectious deaths globally (1). In the United States, the estimated incidence of CAP ranges from 106 cases to 164 cases per 10,000 inhabitants. The main objective of this study was to evaluate the survival rates and factors associated with mortality in patients diagnosed with Community-Acquired Pneumonia (CAP) and Coronavirus Disease 2019 (COVID-19) following their hospitalization in Colombia.  Materials and methods: A retrospective cohort study was conducted to assess 12-month survival in patients with CAP and COVID-19 using the Kaplan-Meier method. Stratifications were performed according to age, sex, comorbidities, and disease severity. Additionally, a multivariate analysis using Cox regression was conducted to investigate the risk factors that may have influenced 12-month survival.  Results: A total of 4697 patients were included, with 52.5% having CAP (2464/4697), 32.5% having COVID-19 (1528/4697), and 15% having neither CAP nor COVID-19 (705/4697). The 12-month survival rate was 46.2% for patients with CAP, 74.9% for patients with COVID-19, and 64.4% for patients with neither con dition. Cox regression analysis revealed that being male (HR:1.142;95%CI:1.042-1.252;p=0.004), age &gt; 65 years (HR:2.622;95%CI:2.324-2.959;p&lt;0.001), Charlson Comorbidity Index &#8805;3 (HR:1.770;95%CI:1.604-1.954;p&lt;0.001), CURB-65 &#8805;2 (HR:2.081;95%CI:1.874-2.313;p&lt;0.001), and a history of CAP (HR:1.569; 95%CI:1.420- 1.735;p&lt;0.001) were associated with increased mortality at 12 months.  Discussion: Survival among patients with CAP at 12 months of follow-up was lower, with identified factors associated with increased mortality, including being male, over 65 years of age, comorbidities, and disease severity as measured by CURB-65.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La neumonía adquirida en la comunidad (NAC) se ha convertido en la principal causa de muerte infecciosa a nivel mundial1. En Estados Unidos, la incidencia estimada de NAC oscila entre 106 y 164 casos por 10.000 habitantes. El objetivo principal de este estudio es evaluar las tasas de supervivencia y los factores asociados con la mortalidad en pacientes diagnosticados con Neumonía Adquirida en la Comunidad (NAC) y Enfermedad por Coronavirus 2019 (COVID-19) tras su hospitalización en Colombia.  Materiales y métodos: Se llevó a cabo un estudio de cohorte retrospectivo para evaluar la supervivencia a 12 meses en pacientes con NAC y COVID-19, utilizando el método de Kaplan-Meier. Se realizaron estratificaciones por edad, sexo, comorbilidades y gravedad de la enfermedad. Además, se realizó un análisis multivariado utilizando regresión de Cox para investigar los factores de riesgo que pueden haber influido en la supervivencia a 12 meses.  Resultados: Se incluyó a un total de 4697 pacientes, de los cuales el 52,5% tenía NAC (2464/4697), el 32,5% tenía COVID-19 (1528/4697) y el 15% no presentaba ni NAC ni COVID-19 (705/4697). La tasa de supervivencia a 12 meses fue del 46,2% para los pacientes con NAC, del 74.9% para los pacientes con COVID-19 y del 64,4% para los pacientes sin ninguna de las condiciones. El análisis de regresión de Cox reveló que ser hombre (HR: 1,142; IC del 95%: 1,042-1,252; p=0,004), tener más de 65 años (HR: 2,622; IC del 95%: 2,324-2,959; p&lt;0,001), un Índice de Comorbilidad de Charlson &#8805;3 (HR: 1,770; IC del 95%: 1,604-1,954; p&lt;0,001), CURB-65 &#8805;2 (HR: 2,081; IC del 95%: 1,874-2,313; p&lt;0,001) y tener antecedentes de NAC (HR: 1,569; IC del 95%: 1,420-1,735; p&lt;0,001) se asociaron con una mayor mortalidad a los 12 meses.  Discusión: La supervivencia entre los pacientes con NAC a los 12 meses de seguimiento fue más baja, con factores identificados asociados a una mayor mortalidad, incluyendo ser hombre, tener más de 65 años, presentar comorbilidades y la gravedad de la enfermedad medida por CURB-65.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Pneumonia]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Survival]]></kwd>
<kwd lng="en"><![CDATA[Risk Factors]]></kwd>
<kwd lng="en"><![CDATA[Observational study]]></kwd>
<kwd lng="es"><![CDATA[Neumonía]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Supervivencia]]></kwd>
<kwd lng="es"><![CDATA[Factores de Riesgo]]></kwd>
<kwd lng="es"><![CDATA[Estudio observacional]]></kwd>
</kwd-group>
</article-meta>
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