Journal article

Critical appraisal of meta-analyses: an introductory guide for the practicing surgeon.

Nathan Lawrentschuk, Jonathan McCall, Ulrich Güller

Patient Saf Surg | Published : 2009

Abstract

Meta-analyses are an essential tool of clinical research. Meta-analyses of individual randomized controlled trials frequently constitute the highest possible level of scientific evidence for a given research question and allow surgeons to rapidly gain a comprehensive understanding of an important clinical issue. Moreover, meta-analyses often serve as cornerstones for evidence-based surgery, treatment guidelines, and knowledge transfer. Given the importance of meta-analyses to the medical (and surgical) knowledge base, it is of cardinal importance that surgeons have a basic grasp of the principles that guide a high-quality meta-analysis, and be able to weigh objectively the advantages and pot..

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