Figure 3.

Potential sources of bias in reported HV prevalence in the overall population (based on 24 studies). Clear diamonds indicate pooled random effects estimate by subgroup; error bars represent 95% confidence intervals; dotted line represents an overall pooled estimate, although there was significant heterogeneity across the 24 studies.

Nix et al. Journal of Foot and Ankle Research 2010 3:21   doi:10.1186/1757-1146-3-21
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