The promulgation years of reimbursement criteria for treatment of HCV of the National Health Insurance in Taiwan and our intervention studies.

*The fibrosis grade was according to the Metavir scoring system: F0: no scaring; F1: minimal scarring; F2: scarring has occurred and extends outside the areas in the liver that contains blood vessels; F3: bridging fibrosis is spreading and connecting to other areas that contain fibrosis; F4: cirrhosis or advanced scarring of the liver. Abbreviation: HCV: hepatitis C virus; ALT: Alanine Aminotransferase. The promulgation years of reimbursement criteria for treatment of HCV of the National Health Insurance in Taiwan and our intervention studies.