Historical control study
Revision as of 11:21, 9 November 2023 by Editor iHTS (talk | contribs) (Created page with "A study in which the data for the control group are collected at a time period prior to that for the intervention group. '''Note 1:''' Historical control studies are prone to selection bias. [http://htaglossary.net/historical-control-study]")
A study in which the data for the control group are collected at a time period prior to that for the intervention group.
Note 1: Historical control studies are prone to selection bias.