<?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>0121-0793</journal-id>
<journal-title><![CDATA[Iatreia]]></journal-title>
<abbrev-journal-title><![CDATA[Iatreia]]></abbrev-journal-title>
<issn>0121-0793</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Antioquia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-07932017000300344</article-id>
<article-id pub-id-type="doi">10.17533/udea.iatreia.v30n3a11</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Ronda clínica y epidemiológica. Series de tiempo interrumpidas]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical and epidemiological round: Interrupted time series]]></article-title>
<article-title xml:lang="pt"><![CDATA[Rodada clínica e epidemiológica: Série de tempo interrumpidas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-Álvarez]]></surname>
<given-names><![CDATA[Alba Luz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Betancur-Gómez]]></surname>
<given-names><![CDATA[Jorge Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jaimes]]></surname>
<given-names><![CDATA[Fabián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Grisales-Romero]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia Facultad Nacional de Salud Pública ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Fundación Universitaria Autónoma de las Américas  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Antioquia Facultad de Medicina Departamento de Medicina Interna]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Antioquia Facultad Nacional de Salud Pública Departamento de Ciencias Básicas]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</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>30</volume>
<numero>3</numero>
<fpage>344</fpage>
<lpage>351</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-07932017000300344&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-07932017000300344&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-07932017000300344&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En la investigación cuasi-experimental es de uso común el análisis de series de tiempo interrumpidas, el cual mide el efecto que tiene una intervención a partir de un punto de tiempo específico. Dicho análisis, que integra datos longitudinales y permite detallar las tendencias antes y después de la intervención, es considerado como una herramienta importante para entender los patrones de cambio después de cualquier evento de interés, es aplicable en distintas disciplinas y tiene un gran potencial para extraer conclusiones en investigaciones con períodos prolongados de seguimiento que requieren la evaluación objetiva de las intervenciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[SUMMARY In quasi-experimental research, it is commonly used the interrupted time series analysis, which measures the effect of an intervention from a specific time point. This technique integrates longitudinal data and allows to discover detailed trends before and after such intervention. It is considered an important tool to understand the patterns of change after any event, it is applicable in different disciplines and have a great potential to draw conclusions in research with long follow-up periods that require objective evaluation of interventions.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO Na pesquisa quasi-experimental, é comumente usado análises de séries de tempo interrompida, que mede o efeito de uma intervenção de um ponto de tempo específico. Esta técnica integra dados longitudinais permitem detalhar tendências do antes e após do procedimento. É considerada uma ferramenta importante para a compreensão de padrões de mudança depois de qualquer evento de interesse aplicável em diferentes disciplinas e tem um grande potencial para tirar conclusões sobre a pesquisa com períodos de seguimento longos que exigem avaliação objetiva das intervenções.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cuasi-experimental]]></kwd>
<kwd lng="es"><![CDATA[Nivel]]></kwd>
<kwd lng="es"><![CDATA[Tendencia]]></kwd>
<kwd lng="es"><![CDATA[Series de tiempo interrumpidas]]></kwd>
<kwd lng="en"><![CDATA[Quasi-Experimental]]></kwd>
<kwd lng="en"><![CDATA[Level]]></kwd>
<kwd lng="en"><![CDATA[Trend]]></kwd>
<kwd lng="en"><![CDATA[Interrupted Time Series]]></kwd>
<kwd lng="pt"><![CDATA[Série Tempo Interrompida]]></kwd>
<kwd lng="pt"><![CDATA[Nível]]></kwd>
<kwd lng="pt"><![CDATA[Tendência]]></kwd>
<kwd lng="pt"><![CDATA[QuasiExperimental]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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