meta-analysis Archives

2023-05-21T09:57:26+03:30

In a meta-analysis, the first step is to determine the kind of outcome(s), which is either binary or continuous. Relative risks, ORs, and hazard ratios, as well as the absolute risk difference and its inverse, are the most common dichotomous outcomes (ie, the number needed to treat). Mean differences and normalized mean differences are the most common continuous outcomes; the latter is employed when research uses different scales or units. Second, authors should specify whether the model has fixed or random effects. The latter is the most prevalent, and it is based on the assumption that effects vary among studies; [...]

Meta-Analysis (Part one)

Editor2023-03-12T09:11:13+03:30

Meta-analysis occurs when a review is carried out in a predetermined order (i.e., methodically) and the results are quantitatively assessed. Meta-analyses have become more widely published in recent years, with 1,473 titles published in 2007 and 176,704 in January 2020. Clinicians, researchers, and policymakers can benefit from well-designed and presented meta-analyses. Therefore, this article also serves as a guide for authors to learn about the important elements of meta-analyses while writing their reviews. Subtypes of Study Design Described Traditional meta-analyses and unconventional meta-analyses are the two forms of meta-analyses that are most commonly classified. [...]

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