From: Preventing primary liver cancer: the HBV vaccination project in the Gambia (West Africa)
Location No. of subjects | Year of recruitment/ year of Follow up | Prevalence HBsAg Non-vaccinated/ vaccinated population | Efficacy | Relative Risk of developing HCC Non-vaccinated/ vaccinated population |
---|---|---|---|---|
The Gambia* >60000 | 1986-1990/ 9 yrs | 10% > 1% | 94% | Expected 2017 |
China* (Qidong)>38000 | 1984-1990/ 11 yrs | 7,1% > 1.66% | 75% | Expected >2015 |
Taiwan ♦ | 1984 | 9.8% in 1984 > 0.7% in 1999 | 84% | 0.31■|