From: The prevalence and significance of isolated hepatitis B core antibody (anti-HBc) in endemic population
Age groups: % (case/total)
21–30
31–40
41–50
51–60
61–70
71–91
Total
8% (4/508)
2.4% (22/910)
6.0% (94/1559)
11.9% (258/2175)
18.4% (250/1359)
24.5% (143/584)
10.9% (771/7059)