systematic review

Systematic Review Articles

2023-05-15T14:55:18+04:30

What is a systematic review? Given the continuous rise in the number of studies being published in the field of health sciences, it becomes quite difficult, if not impossible, for busy clinicians and researchers to stay updated with the vast amount of literature. Consequently, reviews that provide a concise summary of the results from different intervention trials serve as an incredibly effective approach to obtain a clear understanding of what interventions are effective and which ones are not. Systematic reviews and traditional narrative reviews differ in several aspects. Narrative reviews are often descriptive in nature and lack a systematic search [...]

Systematic Review Articles2023-05-15T14:55:18+04:30

Meta-Analysis (Part Two)

2023-05-21T09:57:26+04:30

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 Two)2023-05-21T09:57:26+04:30

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