In univariate analysis, serum ALT level was significantly (p < 0.05) correlated with AST (r = 0.758), age (r = 0.196), diabetes duration (r = 0.149), WC (r = 0.200), TG (r = 0.159) and was negatively associated with HDL-C (r = -0.165). The gene discussed is GPT; the disease is diabetes mellitus.