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

*Q: the Cochran’s Q statistic is a measure assessing the existence of heterogeneity in effect size.
**τ2: the estimated between-study variance in the double arcsine transformed proportions of the true effect sizes. The back-transformed τ2 was not calculated as the methodology to do so is not currently available.
†I2: a measure assessing the magnitude of between-study variation that is due to differences in effect size across studies rather than chance.
‡Prediction interval: estimates the 95% interval in which the true effect size in a new HCV study will lie.
Pooled mean estimates for hepatitis C virus (HCV) prevalence stratified by populations’ risk of infection across countries of the Fertile Crescent.