This result is likely due to the wide variety of treatments involving antihypertensive drugs (Diuretics, Beta-blockers, ACE inhibitors, Angiotensin II receptor blockers, Calcium channel blockers, Alpha blockers, Alpha-2 Receptor Agonists, Vasodilators) and lipid-lowering drugs (statins, Fibrate, ezetimibe) in patients with CAD. Here, ACE is linked to coronary artery disorder.