Statistical analysis showed that CAD patients had markedly higher levels of vascular occlusion, hypertension, diabetes, total cholesterol (TCH), Triglyceride (TG), high density lipoprotein (HDL)-cholesterol, low density lipoprotein (LDL)-cholesterol, alanine aminotransferase (ALT), and aspartate aminotransferase (AST). The gene discussed is GPT; the disease is diabetes mellitus.