Angiographic Findings and PCI Results among 342 Patients.

Data are expressed as % (n) or mean ± SD.*Group 1 = angina pectoris, Group 2 = unstable angina, Group 3 = non ST-segment elevation myocardial infarction, Group 4 = post-ST-segment elevation myocardial infarction angina.PCI = percutaneous coronary intervention; LM = left main; MLD = minimal lumen diameter; RLD = reference lumen diameter; TIMI = thrombolisis in myocardial infarction; LAD = left anterior descending artery; LCX = left circumflex.IVUS = intra-vascular ultra-sound.Letters (a,b) indicate significant difference (at 0.05 level) by Bonferroni multiple-comparison post hoc test.Angiographic Findings and PCI Results among 342 Patients.