GPT and diabetes mellitus: In Model III, after adjusting for gender, ethanol consumption, BMI, habit of exercise, smoking status, SBP, age, FPG, AST, GGT, HbA1c, TC and TG, the ALT/HDL-C ratio showed an independent association with incident DM, with the HR of 1.11 (1.00, 1.24) per SD (SD = 10.58) increase.