http://glossary.i-hts.org/index.php?action=history&feed=atom&title=Retrospective_study 2026-10-23T18:54:54Z Revision history for this page on the wiki MediaWiki 1.40.1 http://glossary.i-hts.org/index.php?title=Retrospective_study&diff=573&oldid=prev 2023-11-17T11:21:10Z

<p>Created page with &quot;A study in which the investigators do ex-post analysis of the outcomes in a group of subjects selected on the basis of their exposure to a given intervention or factor. &#039;&#039;&#039;Note:&#039;&#039;&#039; This type of study is more subject to bias than are prospective studies. <a href="/index.php?title=Case-control_study" title="Case-control study">Case-control studies</a> are always retrospective, cohort studies sometimes are, and randomized controlled trials never are. &#039;&#039;&#039;Ant.:&#039;&#039;&#039; <a href="/index.php?title=Prospective_study" title="Prospective study">prospective study</a>. == Reference == http://htaglossary.net/...&quot;</p> <p><b>New page</b></p><div>A study in which the investigators do ex-post analysis of the outcomes in a group of subjects selected on the basis of their exposure to a given intervention or factor.<br /> <br /> &#039;&#039;&#039;Note:&#039;&#039;&#039; This type of study is more subject to bias than are prospective studies. [[Case-control study|Case-control studies]] are always retrospective, cohort studies sometimes are, and randomized controlled trials never are.<br /> <br /> &#039;&#039;&#039;Ant.:&#039;&#039;&#039; [[prospective study]].<br /> <br /> == Reference ==<br /> http://htaglossary.net/retrospective-study</div>

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