Demographic and clinical characteristics of the patients.

p Values; age and body mass index by unpaired t test and others by Mantel-Haenszel Chi square analyses. p Values by Mantel-Haenszel Chi square analyses; Thienopyridine, ticlopidine 200 or 300 mg/day or clopidogrel 50 or 75 mg/day; PPI, proton pomp inhibitor, omeprazole 10 mg/day, lansoplazole 15mg/day; H2-RA, H2-receptor antagonist, famotidine 10 or 20mg/day; Ca-blocker, nifedipidine 20 or 40mg/day, amlodipine 2.5mg or 5mg/day; ACE inhibitor, angiotensin-converting enzyme inihibitor, imidapril 5mg/day; ARB, angiotensin type 1 receptor blocker, candesartan 4 or 8 mg/day, telmisartan 40mg/day, olmesartan 20mg/day; Statin (HMG-Co A reductase inhibitor), pravastatin 10mg/day, atorvastatin 10mg/day, Rosuvastatin 5mg/day; Nitirite, carvedilol 20 mg/day, metoprolol 40mg/day; NSAID, Non-steroidal anti-inflammatory drugs internal use only.