BMI: Body mass index; BP: Blood pressure; CAD: Coronary artery disease; DPP4: Dipeptidyl peptidase-4; GLP-1: Glucagon-like peptide-1; HbA1c: Glycated hemoglobin; n: Sample size; NM: Not mentioned; SD: Standard deviation. The gene discussed is DPP4; the disease is coronary artery disorder.