GPT and diabetes mellitus: ALP, alkaline phosphatase; ALT, alanine transaminase; AST, aspartate transaminase; CAP, controlled attenuation parameter; DM, diabetes mellitus; FBS, fasting blood sugar; Fib-4, fibrosis 4; HDL, high-density lipoprotein; INR, international normalized ratio; LDL, low-density lipoprotein; LSM, liver stiffness measurement; MetALD, metabolic and alcohol-associated liver disease; VLDL, very-low-density lipoprotein