Extent of coronary disease | n | % |
---|---|---|
Left main stem stenosis | 157 | 8.8 |
Three vessel disease | 683 | 38.2 |
Two vessel disease | 387 | 21.6 |
Single vessel disease | 424 | 23.7 |
Minimal disease (including post-PTCA) | 86 | 4.8 |
Normal coronary arteries | 210 | 11.7 |
Total | 1790 | 100.0 |
PTCA, percutaneous transluminal coronary angioplasty.