Fig. 1. Overall prevalence (A) and age-specific prevalence of HCV-Ab stratified by sex (B) in this 2013–15 study and the 2006 national study^*.

^* Prevalence of HCV-Ab of the age 55–64 group in 2006 national study was used for data from the patients age 55–59 group because the data of the age ≥60 group were unavailable in the national study.

Abbreviations: Ab, antibody; HCV, hepatitis C virus.