A positive association between FLI and incident T2DM was also observed after accounting for the entire model (adjusted ALT, exercise, TC, age, HDL-C, AST, DBP, sex, SBP, alcohol intake, smoking status, glycated hemoglobin, fatty liver) (HR = 1.019, 95%CI: 1.012–1.025, P < 0.0001). This evidence concerns the gene GPT and type 2 diabetes mellitus.