Characteristics of studies included in primary analysis
| First author, year | Country of origin | Study design | HCV-4 | HCV-1 | HCV-2/3 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Male (%) | Age (years) | N | Male (%) | Age (years) | N | Male (%) | Age (years) | N | |||
| Marcellin P et al, 201242 | International (19 countries) | Prospective | 68 | 44.5 | 282 | 52 | 47.4 | 4119 | 60 | 46.3 | 1976 |
| Mauss S et al, 201243 | Germany | Prospective | 76 | Median 41 | 474 | 60 | Median 44 | 7835 | 66 | Not reported | 5062 |
| Al-Enzi SA et al, 201114 | Kuwait | Retrospective | Not reported | Not reported | 51 | Not reported | Not reported | 30 | Not reported | Not reported | 27 |
| Njouom R et al, 200846 | Cameroon | Prospective | 71 | 54.3 | 26 | 82 | 53 | 29 | 86 | 51.4 | 17 |
| Hasan F et al, 200432 | Kuwait | Prospective | 73 | 45 | 66 | 35 | 48 | 20 | Not reported | Not reported | Not reported |
HCV, hepatitis C virus.