Fig. 3From: Prevalence of hepatitis B surface antigen (HBsAg) in a blood donor population born prior to and after implementation of universal HBV vaccination in Shenzhen, ChinaPrevalent trends of HBsAg in blood donor populations. a Overall prevalence of HBsAg detected by rapid tests (dipsticks) and EIAs. b HBsAg prevalence in first-time and repeat donors. c HBsAg prevalence in male and female donors. d HBsAg prevalence in native Guangdongese and other non-Guangdongese donors. P values were calculated as <0.0001 between the first-time and repeat, male and female, native and other original donors, respectivelyBack to article page