随着循证医学模式的引入,如何系统地总结既往的研究成果,为循证决策提供高质量的证据日益受到重视,系统综述和m eta分析应运而生,近年来在医学研究领域得到了广泛的应用[1]。但关于m eta分析的优缺点、适用性还存在一些争论,目前我国还有误用、滥用m eta分析的倾向。孙福红等[2 With the introduction of evidence-based medicine model, how to systematically summarize the previous research results and provide high-quality evidence for evidence-based decision-making is paid more and more attention. The systematic review and eta analysis came into being. In recent years, Application [1]. However, there are still some controversies about the applicability of the advantages and disadvantages of the eta analysis. At present, our country has the misuse and misuse of the tendency of the eta analysis. Sun Fuhong et al [2