Fig. 3

Screening rates of hepatitis B virus (HBV) before and after introducing the alert system. a) represents HBsAg test. b) represents HBsAb and/or HBcAb test. c) represents HBV-DNA test. HBsAb, hepatitis B surface antibody; HBsAg, hepatitis B surface antigen; HBcAb, hepatitis B core antibody, NS: not significant, ***P < 0.001 (Chi-squared test)