Table 1.
Baseline clinical and procedural characteristics
| Variables | PCI (n = 465) | CABG (n = 457) | P |
|---|---|---|---|
| Age, mean (range), years | 62 (54–70) | 64 (57–70) | 0.052 |
| Male, n (%) | 367 (78.9) | 377 (82.5) | 0.170 |
| Diabetes mellitus, n (%) | 143 (30.8) | 131 (28.7) | 0.488 |
| Smoking history, n (%) | 230 (49.5) | 205 (44.9) | 0.161 |
| Hypertension, n (%) | 286 (61.5) | 269 (58.9) | 0.412 |
| Family history, n (%) | 41 (8.8) | 33 (7.2) | 0.372 |
| Dyslipidemia, n (%) | 231 (49.7) | 158 (34.6) | <0.001 |
| Prior stroke, n (%) | 45 (9.7) | 42 (9.2) | 0.800 |
| Prior myocardial infarction, n (%) | 66 (14.2) | 99 (21.7) | 0.003 |
| Prior PVD, n (%) | 24 (5.2) | 34 (7.4) | 0.154 |
| Prior PCI, n (%) | 68 (14.6) | 31 (6.8) | <0.001 |
| EuroSCORE, mean (range) | 5 (3–6) | 5 (3–6) | 0.290 |
| LVEF, mean (range), % | 64 (59–70) | 62 (54–68) | <0.001 |
| Serum creatinine, mean (range), μmol/L | 79.6 (70.0–93.7) | 84.0 (70.7–97.2) | 0.012 |
| Indications for revascularization, n (%) | |||
| NSTEMI | 19 (4.1) | 16 (3.5) | 0.001 |
| STEMI | 55 (11.8) | 41 (9.0) | |
| Stable angina | 52 (11.2) | 80 (17.5) | |
| Unstable angina | 323 (69.5) | 318 (69.6) | |
| Silent ischemia | 16 (3.4) | 2 (0.4) | |
| Involved location, n (%) | |||
| Ostium | 98 (21.1) | 59 (12.9) | 0.004 |
| Body | 51 (11.0) | 51 (11.2) | |
| Distal bifurcation | 316 (68.0) | 347 (75.9) | |
| Extent of diseased vessel, n (%) | |||
| LM only | 31 (6.7) | 12 (2.6) | <0.001 |
| LM plus single-vessel disease | 96 (20.6) | 33 (7.2) | |
| LM plus double-vessel disease | 174 (37.4) | 105 (23.0) | |
| LM plus triple-vessel disease | 164 (35.3) | 307 (67.2) | |
| Chronic total occlusion, n (%) | 75 (16.1) | 184 (40.3) | <0.001 |
| Complete revascularization, n (%) | 298 (64.1) | 320 (70.0) | 0.055 |
| Number of stents (range) | 2 (1–4) | – | |
| Off-pump CABG | – | 422 (92.3) | |
| Vessel bypassed | – | 3 (3–3) | |
| Left internal thoracic use, n (%) | – | 390 (85.3) |
PCI: Percutaneous coronary intervention; CABG: Coronary artery bypass grafting; PVD: Peripheral vascular disease; LVEF: Left ventricular ejection fraction; NSTEMI: Non-ST-elevation myocardial infarction; STEMI: ST-elevation myocardial infarction; LM: Left main. EuroSCORE: European System for Cardiac Operative Risk Evaluation. Complete revascularization: All lesions occupying >50% diameter of a segment with a reference diameter of ≥1.50 mm were treated.