Table 1.
Baseline characteristics
| PCI (n = 901) | SAG (n = 532) | P vs. PCI | MAG (n = 310) | P vs. PCI | |
|---|---|---|---|---|---|
| Age (years) | 65.3 (9.6) | 66.3 (9.4) | 0.067 | 62.4 (9.9) | <0.001 |
| Male sex | 689 (76.5) | 409 (76.9) | 0.911 | 264 (85.2) | 0.002 |
| Body mass index (kg/m2) | 28.1 (4.8) | 27.9 (4.9) | 0.451 | 27.7 (4.0) | 0.155 |
| Diabetes | 232 (25.7) | 123 (23.1) | 0.294 | 72 (23.2) | 0.419 |
| On insulin | 90 (10.0) | 56 (10.5) | 0.815 | 26 (8.4) | 0.475 |
| Hypertension | 625 (69.4) | 342 (64.3) | 0.054 | 196 (63.2) | 0.054 |
| Dyslipidaemia | 701 (78.3) | 402 (76.4) | 0.445 | 242 (78.6) | 0.991 |
| Current smokers | 165 (18.3) | 113 (21.4) | 0.181 | 75 (24.4) | 0.027 |
| Previous MI | 285 (32.0) | 190 (36.1) | 0.131 | 89 (29.2) | 0.400 |
| Previous cerebrovascular disease | 120 (13.4) | 72 (13.7) | 0.937 | 52 (16.8) | 0.165 |
| Previous stroke | 36 (4.0) | 23 (4.3) | 0.869 | 17 (5.5) | 0.355 |
| Previous TIA | 39 (4.3) | 26 (4.9) | 0.695 | 15 (4.8) | 0.838 |
| Previous carotid artery disease | 73 (8.1) | 39 (7.3) | 0.672 | 31 (10.0) | 0.362 |
| Peripheral vascular disease | 81 (9.0) | 59 (11.1) | 0.230 | 30 (9.7) | 0.804 |
| Chronic obstructive pulmonary disease | 73 (8.1) | 54 (10.2) | 0.222 | 21 (6.8) | 0.528 |
| Creatinine clearance (mL/min) | 86.7 (35.6) | 83.2 (28.8) | 0.065 | 89.2 (30.1) | 0.302 |
| LVEF (%) | 59.1 (12.9) | 56.2 (13.1) | 0.002 | 61.4 (12.8) | 0.021 |
| Congestive heart failure | 35 (3.9) | 34 (6.5) | 0.039 | 8 (2.6) | 0.391 |
| Clinical presentation | 0.327 | 0.123 | |||
| Silent ischaemia | 124 (13.8) | 63 (11.8) | 56 (18.1) | ||
| Stable angina | 514 (57.0) | 324 (60.9) | 160 (51.6) | ||
| Unstable angina | 263 (29.2) | 145 (27.3) | 94 (30.3) | ||
| EuroSCORE | 4.00 (2.00–5.00) | 4.00 (2.00–6.00) | 0.048 | 3.00 (1.00–5.00) | 0.001 |
| Parsonnet score | 6.00 (3.00–12.00) | 7.00 (3.00–14.00) | 0.090 | 6.00 (3.00–9.00) | <0.001 |
| Disease type | 0.608 | 0.601 | |||
| LMCAD only | 43 (4.8) | 28 (5.3) | 14 (4.5) | ||
| LMCAD + 1VD | 67 (7.4) | 47 (8.9) | 21 (6.8) | ||
| LMCAD + 2VD | 110 (12.2) | 77 (14.5) | 28 (9.0) | ||
| LMCAD + 3VD | 132 (14.7) | 75 (14.1) | 42 (13.5) | ||
| 3VD | 532 (59.0) | 292 (55.0) | 200 (64.5) | ||
| Number of lesions | 4.3 (1.8) | 4.3 (1.8) | 0.539 | 4.6 (1.8) | 0.029 |
| SYNTAX score | 28.5 (11.4) | 28.9 (11.3) | 0.447 | 29.8 (11.3) | 0.084 |
| SYNTAX score tercile | 0.447 | 0.225 | |||
| Low (0–22) | 297 (33.1) | 169 (32.0) | 86 (27.8) | ||
| Intermediate (23–32) | 308 (34.3) | 170 (32.2) | 113 (36.6) | ||
| High (>33) | 292 (32.6) | 189 (35.8) | 110 (35.6) | ||
| Any total occlusion | 216 (24.1) | 117 (22.2) | 0.432 | 70 (22.7) | 0.653 |
| Any bifurcation | 647 (72.3) | 397 (75.2) | 0.257 | 221 (71.5) | 0.852 |
Data are n (%), mean (standard deviation), or median (interquartile range).
1, 2, 3VD, one-, two-, three-vessel disease; CABG, coronary artery bypass grafting; LMCAD, left main coronary artery disease; LVEF, left ventricular ejection fraction; MAG, multiple arterial grafting; MI, myocardial infarction; PCI, percutaneous coronary intervention; SAG, single arterial grafting; TIA, transient ischaemic attack.