GPT and hyperuricemia: All variables with P-values < 0.05 in Table 1 and Table 2 (except serum uric acid, eGFR, and diabetic nephropathy), including hyperuricemia, age, sex, duration of diabetes, albuminuria, serum creatinine, alanine aminotransferase, aspartate aminotransferase, γ-glutamyl transferase, total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, fasting plasma glucose, FEUA, hypertension and urolithiasis were selected as covariates in multivariate logistic regression to identify risk factors for SRC development.