First author | Year | Country | Source | Sample size | Mean follow-up (years) | ICC | Hazard ratio 95% CI | Study , quality |
---|---|---|---|---|---|---|---|---|
Tanaka | 2009 | Japan | Voluntary blood donors | 2519 (HBsAg +) | 7.6 | 2 | 8.56 (1.33-55.2) | 3 |
1927 (anti-HCV+) | 1 | 2.63 (.25-27.73) | ||||||
150368 (all negative) | 8 | Â | ||||||
El-Serag | 2009 | US | Veterans population | 146394 (anti-HCV+) | 2.3 | 14 | 2.6 (1.3-5.0) | 2 |
572293 (anti-HCV–) | 23 | |||||||
Fwu | 2011 | Taiwan | Pregnant women | 289992 (HBsAg +) | 6.91 | 9 | 4.80 (1.88-12.2) | 2 |
1492409 (HBsAg –) | 9 |