Abstract
Heterogeneity refers to any kind of variation among studies contributing to the same outcome in a systematic review. There are three broad types of heterogeneity: clinical heterogeneity, methodological heterogeneity and statistical heterogeneity. In this paper, we describe these three types of heterogeneity and the main statistical approaches to measure heterogeneity.
Publisher
Cambridge University Press (CUP)
Subject
Psychiatry and Mental health,Public Health, Environmental and Occupational Health,Epidemiology
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