Integration of evidence from multiple meta-analyses: a primer on umbrella reviews, treatment networks and multiple treatments meta-analyses

作者：John P. A. Ioannidis · 发表于：Canadian Medical Association Journal · 年份：2009 · DOI：10.1503/cmaj.081086 · 被引用次数：739 · 研究领域：Meta-analysis and systematic reviews、Clinical practice guidelines implementation、Health Systems, Economic Evaluations, Quality of Life

Meta-analysis is an important research design for appraising evidence and guiding medical practice and health policy. [1][1] Meta-analyses draw strength from combining data from many studies. However, even if perfectly done with perfect data, a single meta-analysis that addresses 1 treatment