网状Meta分析一致性的鉴别与处理方法  

Dif erentiation and Handling of Homogeneity in Network Meta-analysis

作　　者：张超[1] 鄢金柱 孙凤[2] 刘晴[3] 郭毅[3] 曾宪涛[1] 

机构地区：[1]湖北医药学院附属太和医院循证医学与临床研究中心,湖北十堰442000 [2]北京大学公共卫生学院流行病与卫生统计学系,北京100191 [3]武汉大学公共卫生学院流行病学教研室,武汉430071

出　　处：《中国循证医学杂志》2014年第7期884-888,共5页Chinese Journal of Evidence-based Medicine

基　　金：国家自然科学青年基金项目(编号:81302508);湖北省教育科学"十二五"规划2012年度重点课题(编号:2012A050);湖北医药学院附属太和医院2013年循证医学"苗圃基金"项目(编号:EBM2013004)

摘　　要：与传统Meta分析相比,网状Meta分析的混杂因素较多且处理更为困难。由于证据相互传递,异质性可能会被带入间接比较中。因此,异质性的有效鉴别与正确处理备受关注。为保证网状Meta分析结果的可靠性,方法学家提出一致性概念并给出一系列鉴别与处理方法。基于Bucher法的延伸,目前一致性鉴别与处理的方法已扩展至节点分析法、假设检验及两步法等十余种量化措施。然而,由于方法学基本理论与侧重点的差异以及统计效能的局限性,使得目前相关检测与处理方法的力度仍不够高效。因此,高效、简洁、解释度高的检测与处理方法依旧需要进一步探索。Compared with traditional head to head meta-analysis, network meta-analysis has more confounding factors and difficulties to handle. Due to the mutual transitivity of evidence in network meta-analysis, heterogeneity may be brought into indirect meta-analysis. Hence, effective differentiation and correct handling of heterogeneity are being current focus. In order to ensure the reliability of the results of network meta-analysis, the concept of homogeneity is proposed and a series of methods are developed for differentiation and handling of homogeneity. Based on the extension of Bucher methods, current methods for differentiation and handling of homogeneity has extended to ten quantitative measures （eg., node analysis method, hypothesis tests, and two-step method）. However, because of the differences and the focus of fundamental methodological theories as well as the limitation of statistics power, no highly-effective method has been worked out. 2-herefore, the exploration of highly-effective, simple and high-resolved methods are still needed,

关 键 词：网状Meta分析 一致性 异质性 证据传递 

分 类 号：R-03[医药卫生]