[26] Sex-specific summary prevalence estimates were calculated using sources that reported on male- or female-only samples. We had planned to determine summary prevalence estimates for detainees of extrajudicial detention centers for people who use drugs; however, there

were very few relevant data sources. Results for these sources are instead presented descriptively. A meta-analysis was undertaken to determine the summary anti-HCV prevalence estimate in juvenile detainees, with heterogeneity examined by way of meta-regression using the same independent variables as for adult samples. There were few data sources reporting on juvenile detainees with a history of IDU; results from these sources are presented descriptively. To estimate the number of anti-HCV positive detainees globally, we obtained data on regional prisoner populations from the World Prison Brief of the International Centre for Prison Studies (http://www.prisonstudies.org). Acalabrutinib The World Prison Brief does not include detainees of extrajudicial detention centers for people who use drugs; thus, this estimate relates only selleck inhibitor to the prisoner population. We applied our regional prevalence estimates for general population detainees (who, by definition, are not detainees of extrajudicial detention centers) to the number of prisoners in each region. For regions without prevalence data, the global general population prevalence estimate was applied to the number

of prisoners in the region. Searches of the peer-reviewed literature returned 2,314 data sources potentially relevant to the review. A further 37 data sources were identified from the gray literature or by way of emails from key experts. Following removal of duplicates, there were 2,008 data sources; ifenprodil of these, 1,784 were excluded on the

basis of the abstract, leaving 224 sources that were assessed in full. Ninety-three sources were excluded, for reasons shown in Fig. 1, leaving 128 eligible sources: five reported on HCV incidence in continuously detained persons, and 126 reported on anti-HCV prevalence among detainees of prisons and other closed settings (i.e., three sources reported on both incidence and prevalence) (Fig. 1). Sources reported data for 39 countries (see Supporting Materials); 21 sources were in languages other than English. Fifteen of the included sources were obtained from the gray literature; they included reports of government agencies, conference abstracts, academic reports, and personal communications. Half the sources were published from 2004 onwards (see Supporting Materials). Details of studies included in each meta-analysis described below are available in the Supporting Materials. Four sources provided data on HCV incidence in general detainee samples, and three provided data from samples of inmates who inject drugs. Incidence among general detainees ranged from 0.04 per 100 person-years (py) to 4.5 per 100 py.

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