GPT and diabetes mellitus: However, after adjusting for other confounding risk factors (waist circumference, hypertension, diabetes mellitus, low-density lipoprotein, triglyceride, alanine aminotransferase, aspartate aminotransferase, creatine, body mass index, cigarette smoking, and ischemic heart disease), the OR decrease to 1.68 (95% CI: 0.42-6.76) that was not statistically significant (P = 0.460).