An overview of the general characteristics of the study subjects is shown in Table 1, including age, gender, race/ethnicity, education levels, ratio of family income, BMI, waist circumference, ALT, AST, GGT, serum creatinine, triglyceride, serum cholesterol, HDL-C, LDL-C, glycohemoglobin, HOMA-IR, dietary fat intake, smoking habits, MET, smoking habits, hypertension, and diabetes. The gene discussed is GPT; the disease is diabetes mellitus.