GPT and cirrhosis of liver: For the stepwise regression model, the original variables were pre-therapy factors including sex, age, BMI, HCV RNA, HCV genotype, HS-CRP, UA, eGFR, ALT, TG, TC, HDL-C, HOMA-IR, C-peptide, platelet, liver cirrhosis, rs61330082, rs2302559, rs10953502, and rs2058539, which were used to determine the best model for the pre-therapy eNAMPT levels.