ACE and coronary artery disorder: Patients who do not have angiographically significant CAD exhibited less frequent use of aspirin (25% vs. 95%), β blockers (0% vs. 85%), angiotensin-converting enzyme inhibition/angiotensin receptor blockers (20% vs. 90%), statin (0% vs. 90%), long acting nitrates (0% vs. 85%), insulin (0% vs. 15%), and sulfonyl urea (5% vs. 15%).