<?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>1688-0390</journal-id>
<journal-title><![CDATA[Revista Médica del Uruguay]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Méd. Urug.]]></abbrev-journal-title>
<issn>1688-0390</issn>
<publisher>
<publisher-name><![CDATA[Sindicato Médico del Uruguay]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-03902017000300135</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[¿Existen los diseños de investigación cuasi cohorte?]]></article-title>
<article-title xml:lang="en"><![CDATA[Are there any quasi-cohort research designs?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villarreal-Ríos]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galicia-Rodríguez]]></surname>
<given-names><![CDATA[Liliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Daza]]></surname>
<given-names><![CDATA[Emma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-González]]></surname>
<given-names><![CDATA[Lidia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Valle de México, Campus Querétaro Escuela de Medicina División de Ciencias de la Salud]]></institution>
<addr-line><![CDATA[Querétaro Qro. de Arteaga]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social  Unidad de Investigación Epidemiológica y en Servicios de Salud Querétaro]]></institution>
<addr-line><![CDATA[Querétaro Qro. de Arteaga]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<volume>33</volume>
<numero>3</numero>
<fpage>135</fpage>
<lpage>141</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-03902017000300135&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-03902017000300135&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-03902017000300135&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Cuando la población de estudio está integrada por un grupo de pacientes expuestos y se les observa durante un determinado periodo de tiempo para medir la presencia o ausencia de la enfermedad, el diseño se ubica en el contexto de los estudios observacionales, no obstante, no cumple con todos los requisitos de un diseño de cohorte, en consecuencia se podía decir que se trata de un diseño de investigación llamado cuasi cohorte.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: When the study population is a group of exposed patients studied over a period of time to measure the presence or absence of disease, the design is placed in the context of observational studies, however, it does not meet all the criteria a cohort design, therefore it could be said that this is a research design quasi cohort.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo: Quando a população de estudo está integrada por um grupo de pacientes expostos e é observado durante um determinado período de tempo para avaliar a presença ou ausência de uma enfermidade, as características deste estudo são de estudo observacional, no entanto, não cumpre com todos os requisitos de um estudo de coorte, por tanto se poderia dizer que se trata de um estudo epidemiológico chamado quase coorte.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Diseño de investigaciones epidemiológicas]]></kwd>
<kwd lng="es"><![CDATA[Estudios de cohortes]]></kwd>
<kwd lng="es"><![CDATA[Investigación]]></kwd>
<kwd lng="en"><![CDATA[Epidemiologic research design]]></kwd>
<kwd lng="en"><![CDATA[Cohort studies]]></kwd>
<kwd lng="en"><![CDATA[Research]]></kwd>
<kwd lng="pt"><![CDATA[Projetos de pesquisa epidemiológica]]></kwd>
<kwd lng="pt"><![CDATA[Estudos de coortes]]></kwd>
<kwd lng="pt"><![CDATA[Pesquisa]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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