<?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>2448-9190</journal-id>
<journal-title><![CDATA[Revista alergia México]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. alerg. Méx.]]></abbrev-journal-title>
<issn>2448-9190</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Inmunología Clínica y Alergia A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-91902022000100048</article-id>
<article-id pub-id-type="doi">10.29262/ram.v69i1.1100</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Metodología para la elaboración de los estudios sobre pronóstico]]></article-title>
<article-title xml:lang="en"><![CDATA[Methodology for the elaboration of prognosis studies]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rendón-Macías]]></surname>
<given-names><![CDATA[Mario Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Ivón]]></surname>
<given-names><![CDATA[Ana Sofía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Panamericana Facultad de Ciencias de la Salud Escuela de Medicina]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>69</volume>
<numero>1</numero>
<fpage>48</fpage>
<lpage>55</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-91902022000100048&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-91902022000100048&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-91902022000100048&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los estudios pronósticos son investigaciones para estimar el riesgo o probabilidad de desenlaces futuros en las personas con una enfermedad establecida. Idealmente deben sustentarse en estudios de cohortes en los que se establece el momento de inicio o de análisis sobre la evolución de una enfermedad, el periodo de seguimiento al desenlace de interés, el tipo de desenlace y los factores o marcadores pronósticos por investigar. Finalmente, la decisión de la forma de ejecutar y analizar los estudios de pronóstico dependerá de su propósito: exploratorio, explicativo o predictivo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Prognostic studies are investigations to estimate the risk or probability of future outcomes in people with established disease. Ideally based on cohort studies where it is established: the time of onset or analysis of the evolution of a disease, the follow-up period for the outcome of interest, the type of outcome and the prognostic factors or markers to investigate. Ultimately, the decision on how to run and analyze forecast studies will depend on their purpose: exploratory, explanatory, or predictive.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Prognostic studies]]></kwd>
<kwd lng="en"><![CDATA[Cohorts]]></kwd>
<kwd lng="en"><![CDATA[Prognostic factors]]></kwd>
<kwd lng="en"><![CDATA[Study design]]></kwd>
<kwd lng="es"><![CDATA[Estudios pronósticos]]></kwd>
<kwd lng="es"><![CDATA[Cohortes]]></kwd>
<kwd lng="es"><![CDATA[Factores pronósticos]]></kwd>
<kwd lng="es"><![CDATA[Diseño de estudios]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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