http://glossary.i-hts.org/index.php?action=history&feed=atom&title=Prospective_study 2026-10-24T21:01:22Z Revision history for this page on the wiki MediaWiki 1.40.1 http://glossary.i-hts.org/index.php?title=Prospective_study&diff=539&oldid=prev 2023-11-17T09:46:07Z

<p>Created page with &quot;A study to evaluate the effects of exposure to a given intervention or factor, in which the subjects are divided into groups that are exposed or not exposed to the intervention or factor of interest before the outcomes have occurred. &#039;&#039;&#039;Note:&#039;&#039;&#039; Randomized controlled trials are always prospective, but case-control studies never are. Cohort studies may be prospective or retrospective. Related concept: <a href="/index.php?title=Cohort_study" title="Cohort study">cohort study</a>.† &#039;&#039;&#039;Ant.:&#039;&#039;&#039; <a href="/index.php?title=Retrospective_study" title="Retrospective study">retrospective study</a>. † A coh...&quot;</p> <p><b>New page</b></p><div>A study to evaluate the effects of exposure to a given intervention or factor, in which the subjects are divided into groups that are exposed or not exposed to the intervention or factor of interest before the outcomes have occurred.<br /> <br /> &#039;&#039;&#039;Note:&#039;&#039;&#039; Randomized controlled trials are always prospective, but case-control studies never are. Cohort studies may be prospective or retrospective.<br /> <br /> Related concept: [[cohort study]].†<br /> <br /> &#039;&#039;&#039;Ant.:&#039;&#039;&#039; [[retrospective study]].<br /> <br /> † A cohort study may be a prospective study, but a prospective study is not necessarily a cohort study : a cohort study involves a methodology, i.e. comparison, that is not necessarily common to all prospective studies. The qualifier “prospective,” without further details, indicates only the study’s temporal direction.<br /> <br /> == Reference ==<br /> http://htaglossary.net/prospective-study</div>

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