A re-analysis of the Cochrane Library data: the dangers of unobserved heterogeneity in meta-analyses.

A re-analysis of the Cochrane Library data: the dangers of unobserved heterogeneity in meta-analyses.

<h4>Background</h4>Heterogeneity has a key role in meta-analysis methods and can greatly affect conclusions. However, true levels of heterogeneity are unknown and often researchers assume homogeneity. We aim to: a) investigate the prevalence of unobserved heterogeneity and the validity o...

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Main Authors: Evangelos Kontopantelis, David A Springate, David Reeves
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2013-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0069930
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