INS and type 2 diabetes mellitus: The incidence and non-incidence groups exhibited no statistically significant differences (P > 0.05) in terms of gender, age, body weight, duration of T2DM, glycosylated hemoglobin levels, BMI, ALT, AST, TCHO, TG, LDL-C, HDL-C, SBP, and DBP, smoking status, insulin, numbers of oral medication, concurrent use of metformin, sulfonylureas, thiazolidinediones, SGL2 inhibitors, DPP-4 inhibitors, and renal function status.