Compared with the referent first tertile of WyG, the hazard ratios (HRs) of incident T2DM for the second and third tertiles increased in the unadjusted, minimally adjusted (adjusted for age and sex) and fully adjusted (adjusted for age, sex, ALT, GGT, TC, fatty liver, smoking status, alcohol consumption and habit of exercise) models. This evidence concerns the gene GPT and type 2 diabetes mellitus.