Patient demographic data
| Number (%) | |
|---|---|
| Patients | 112 |
| Age, yrs | 63±10 |
| Male | 94 (84) |
| Diabetes | 37 (33) |
| Smoker | 44 (39) |
| Hypertension | 90 (80) |
| Hyperlipidaemia | 92 (82) |
| Renal failure on dialysis | 3 (3) |
| Previous myocardial infarction | 18 (16) |
| Impaired LV function EF<30% | 13 (12) |
| Previous CABG | 14 (13) |
| Stable angina | 91 (81) |
| Unstable angina | 21 (19) |
| Single-vessel disease | 51 (46) |
| Multivessel disease | 61 (54) |
| Stenoses | 120 |
| Coronary vessel | |
| Left main stem | 2 (2) |
| Left anterior descending | 63 (53) |
| Diagonal | 4 (3) |
| Intermediate | 2 (2) |
| Circumflex | 15 (13) |
| Obtuse marginal | 6 (5) |
| Right coronary | 21 (18) |
| Posterior descending | 1 (1) |
| Saphenous vein graft | 6 (5) |
| Lesion location in vessel | |
| Proximal | 62 (52) |
| Mid | 52 (43) |
| Distal | 6 (5) |
| Lesion characteristics | |
| Lesion severity (QCA %) | 68±16 |
| Lesion length (QCA mm) | 15.6±9.2 |
| Adenosine administration | |
| Central intravenous | 96 (80) |
| Intracoronary bolus | 24 (20) |
Values are n, mean±SD or n (%). Risk factors are defined in the text.
CABG, coronary artery bypass grafting; EF, ejection fraction; LV, left ventricular; QCA, quantitative coronary angiography.