Other biological factors that affected the current study included age, race, sex, marital status, drinking status, smoking status, body mass index (BMI), high-density lipoprotein cholesterol, triglycerides, ghrelin, glutamic oxaloacetic aminotransferase, glutamic alanine aminotransferase, albumin, glycosylated hemoglobin, serum calcium, estimated glomerular filtration rate (eGFR), coronary heart disease, hypertension, and diabetes mellitus. The gene discussed is ALB; the disease is coronary artery disorder.