Fig. 1From: Distribution of FIB-4 index in the general population: analysis of 75,666 residents who underwent health checkupsProcedure for selecting study subjects. Flowchart of selecting study subjects from the health checkup database in Hiroshima (April 2013–July 2018) and Iwate (April 2008–March 2019) prefectures. A total of 75,666 individuals without HBV or HCV provided blood samples, answers about alcohol consumption, and underwent ultrasonography for health checkups, and 17,968 residents were diagnosed as NAFLD. HBsAg hepatitis B surface antigen, Anti-HCV anti hepatitis C virus antibody, HBV hepatitis B virus, HCV hepatitis C virus, NAFLD non-alcoholic fatty liver diseaseBack to article page