Fig. 3

Forest plots for random-effects meta-analysis of the global prevalence of protozoan parasites among patients with mental health disorders based on cross-sectional studies (The boxes indicate the effect size of the studies (prevalence) and the whiskers indicate its confidence interval for corresponding effect size. There is no specific difference between white and black bars, only studies with a very narrow confidence interval are shown in white. In the case of diamonds, their size indicate the size of the effect, and their length indicate confidence intervals