In comparison to patients in the non-severe group, those in the severe group tended to be clinically jaundiced (P < 0.001), were less likely to have diabetes and tended to have higher alanine aminotransferase (ALT) and total bilirubin (TBIL) levels (P = 0.022 and P < 0.001, respectively). The gene discussed is GPT; the disease is diabetes mellitus.