Country-specific prevalence of Chagas disease by type of study and values of results of heterogeneity tests among different type of studies.

95% CI—95% confidence interval; All country test for heterogeneity: Q Heterogeneity chi-squared = 319.1 (d.f. = 2), p2 (variation in Prevalence attributable to heterogeneity) = 99.4%, Moment-based estimate of between-study variance Tau2 = 0.05;1: I2 index of heterogeneity 79.5%;2: I2 index of heterogeneity 0%;3: I2 index of heterogeneity 51.5%;4: I2 index of heterogeneity 79.4%;5: I2 index of heterogeneity 0%;6: I2 index of heterogeneity 85.1%Country-specific prevalence of Chagas disease by type of study and values of results of heterogeneity tests among different type of studies.