LEP and diabetes mellitus: The model included logarithmically transformed uPTM3-FetA values, and age, diabetes duration, BMI, HbA1c, HDL- and LDL-cholesterol, triglycerides, adiponectin, leptin, resistin, CRP, WBC, AER, eGFR, and liver function tests (AST, ALT, GGT, alkaline phosphatase, and bilirubin), respectively, as independent variables, and biological sex as a covariate.