Measuring inconsistency in meta-analyses
Julian P. T. Higgins(MRC Biostatistics Unit), Simon G. Thompson(MRC Biostatistics Unit), Jonathan J Deeks(Cancer Research UK), Douglas G. Altman(Cancer Research UK)
Cited by 62,434Open Access
Abstract
Cochrane Reviews have recently started including the quantity I2 to help readers assess the consistency of the results of studies in meta-analyses. What does this new quantity mean, and why is assessment of heterogeneity so important to clinical practice?
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