GPT and diabetes mellitus: After further adjusting for age, sex, marital status, alcohol consumption, smoking status, exercise, hypertension, diabetes, coronary heart disease, uric acid, HDL, ALT, and AST, the odds ratios (ORs) for the fourth quartile were 4.36 (3.39–5.61), 19.77 (14.92–26.22), 28.23 (20.81–28.28), and 14.56 (11.05–19.19), with all p values <0.001.