Fig. 2From: Empirical comparisons of heterogeneity magnitudes of the risk difference, relative risk, and odds ratioHistograms of I 2 (A) and CVB on a logarithmic scale (B) based on the restricted maximum likelihood method for the RD, RR, and OR. A Restricted to I 2 > 1%. B Restricted to the range from −10 to 10 for better visualizationsBack to article page