Table 1

Clinical Characteristics

Elective PTCA69
Unstable angina22
Acute MI16
ACC/AHA lesion class
 A32
 B143
 ≥B235
 C12
%DS
 Before PTCA89 ± 6
 After PTCA20 ± 11

Data presented are mean value ± SD or number of patients. ACC/AHA = American College of Cardiology/American Heart Association; DS = diameter stenosis; MI = myocardial infarction; PTCA = percutaneous transluminal coronary angioplasty.