Figure 1.

Forest plot showing association between circumcision and penile inflammation in 8 studies [38-45]. The meta-analysis shown does not include an anomalous outlier study [46], which when included led to significant between-study heterogeneity (P = 0.03), but when excluded no significant heterogeneity remained (P = 0.40).

Morris et al. BMC Pediatrics 2012 12:20   doi:10.1186/1471-2431-12-20
Download authors' original image