Fig. 3From: Changing incidence of hepatitis B and persistent infection risk in adults: a population-based follow-up study from 2011 in ChinaThe proportion of persistent infection (a), chronic infection (b), and development of anti-HBs (c) following acute infection in adults in different age groups and genders. The sample size of the 15–34 years age group is too small and is not presented in the figures. Anti-HBs, hepatitis B surface antibody. * P < 0.05 and p-values were two-sidedBack to article page