Program in Child Health Evaluative Sciences, The Hospital for Sick Children Research Institute, Toronto, Canada.
Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, 555 University Ave, #2211, Toronto, ON, M5G 1X8, Canada.
J Anesth. 2022 Aug;36(4):524-531. doi: 10.1007/s00540-022-03072-5. Epub 2022 Jun 1.
PURPOSE: We aimed to provide clinicians with introductory guidance for interpreting and assessing confidence in on Network meta-analysis (NMA) results. METHODS: We reviewed current literature on NMA and summarized key points. RESULTS: Network meta-analysis (NMA) is a statistical method for comparing the efficacy of three or more interventions simultaneously in a single analysis by synthesizing both direct and indirect evidence across a network of randomized clinical trials. It has become increasingly popular in healthcare, since direct evidence (head-to-head randomized clinical trials) are not always available. NMA methods are categorized as either Bayesian or frequentist, and while the two mostly provide similar results, the two approaches are theoretically different and require different interpretations of the results. CONCLUSIONS: We recommend a careful approach to interpreting NMA results and the validity of an NMA depends on its underlying statistical assumptions and the quality of the evidence used in the NMA.
目的:为临床医生提供解读和评估网状meta 分析(NMA)结果可信度的入门指导。
方法:我们回顾了当前关于 NMA 的文献,并总结了要点。
结果:网状meta 分析(NMA)是一种统计方法,可通过综合多个随机临床试验网络中的直接和间接证据,在单次分析中同时比较三种或更多干预措施的疗效。由于直接证据(头对头随机临床试验)并不总是可用,因此它在医疗保健中越来越受欢迎。NMA 方法分为贝叶斯或频率派,虽然两者主要提供相似的结果,但两种方法在理论上有所不同,需要对结果进行不同的解释。
结论:我们建议谨慎解读 NMA 结果,并且 NMA 的有效性取决于其基础统计假设和 NMA 中使用的证据质量。
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