• 1. Library of Hebei Medical University, Shijiazhuang 050017, China;2. Hebei Institute of Medical Information, Shijiazhuang 050021, China;3. Department of Epidemiology and Health Statistics, School of Public Health, Hebei Medical University, Shijiazhuang 050017, China;4. Mental Health Center, The First Hospital, Hebei Medical University, Shijiazhuang 050031, China;5. Department of Neurology, The First Hospital, Hebei Medical University, Shijiazhuang 050031, China;
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This paper is to discuss the research of heterogeneity in Meta-analysis, including the definition of the heterogeneity in Meta-analysis and classification it into clinical heterogeneity, methodological heterogeneity and statistical heterogeneity, the strategies for diminishing clinical heterogeneity and methodological heterogeneity, the five testing methods in statistical heterogeneity (Q statistic, I2 statistic, H statistic, Galbraith plot and L’Abbe plot) and the examples and applying conditions of the five testing methods, classification of meta-analysis into exploratory meta-analysis and analytic meta-analysis according if the meta-analysis has heterogeneity, and the strategies and the flowchart when existing the heterogeneity in meta-analysis.

Citation: WANG Dan,ZHAI Junxia,MOU Zhenyun,ZONG Hongxia,ZHAO Xiaodong,WANG Xueyi,Gu Ping. Discussing on the Research of Heterogeneity in Meta-analysis. Chinese Journal of Evidence-Based Medicine, 2009, 09(10): 1115-1118. doi: 10.7507/1672-2531.20090196 Copy

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