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Systematic Reviews & Meta-Analyses: Data Analysis

After a researcher has decided to perform a meta-analysis, an analysis plan would normally be drawn up that can include: how to decide if there is evidence of an effect, estimating the size of the effect, evaluating consistency of results across included studies, and/or the strength of evidence for the effect. Using the Cochrane Collaboration's methods and handbook as a template, we will demonstrate how to analyze collected data in Review Manager (RevMan).