INS and diabetes mellitus: Compared to the low eGDR group, the middle and high eGDR groups had significantly lower values for age, BMI, waist circumference, HbA1c, TG, serum creatinine, UACR, serum uric acid, fasting blood glucose, fasting insulin, smoking history, diabetes, proteinuria, hypertension, and CKD prevalence, concurrently, they had significantly higher incomes and eGFR (P< 0.05).