Pooled mean estimates for hepatitis C virus (HCV) prevalence stratified by populations’ risk of infection across countries of the Fertile Crescent.

<p>*Q: the Cochran’s Q statistic is a measure assessing the existence of heterogeneity in effect size.</p><p>**<i>τ</i>²: the estimated between-study variance in the double arcsine transformed proportions of the true effect sizes. The back-transformed <i>τ</i>² was not calculated as the methodology to do so is not currently available.</p><p>^†I²: a measure assessing the magnitude of between-study variation that is due to differences in effect size across studies rather than chance.</p><p>^‡Prediction interval: estimates the 95% interval in which the true effect size in a new HCV study will lie.</p><p>Pooled mean estimates for hepatitis C virus (HCV) prevalence stratified by populations’ risk of infection across countries of the Fertile Crescent.