In multivariate Cox regression analysis, tertile 3 had a significantly higher risk for liver diseases-related clinical outcomes even after adjusting for age, gender, diabetes mellitus, cardiovascular diseases, serum albumin levels, serum AST levels, serum ALT levels, HBs Ag and HCV Ab (HR 15.110, 95% CI, 1.91–119.71, P = 0.010). The gene discussed is GPT; the disease is diabetes mellitus.