Multiple stepwise regression analysis.

Model 1 HFC (Q1–Q4) was the dependent variable, independent variables were age and the variables which are significant in univariate analysis and relevant to HFC, including : sex(1 = M, 2 = F), FGF21, ALT, AST, γ-GT, LDH, TC, TG, APOA, APOB, APOE. Model 2 HFC (Q1–Q3) was the dependent variable, independent variables were the variables which are significant in univariate analysis and relevant to HFC, including : age, FGF21, ALT, AST, LDH, TC, TG, APOB.