Further adjustment of serum creatinine, blood urea nitrogen, alanine transaminase, aspartate transaminase, total bilirubin, history of hypertension, history of diabetes mellitus did not affect the association, as in model 2 showed (tertile3 vs 1: OR, 2.85; 95%CI, 1.18–6.93; p = 0.020 for ALT+AST and OR,2.96; 95%CI, 1.17–7.48; p = 0.022 for ALT). Here, GPT is linked to diabetes mellitus.