Retrospective study: Revision history

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17 November 2023

  • curprev 13:2113:21, 17 November 2023‎ Editor iHTS talk contribs‎ 494 bytes +494‎ Created page with "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. '''Note:''' This type of study is more subject to bias than are prospective studies. Case-control studies are always retrospective, cohort studies sometimes are, and randomized controlled trials never are. '''Ant.:''' prospective study. == Reference == http://htaglossary.net/..." Tag: Visual edit ★
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