Table 1.
Comparison of the baseline demographics between patients who had emergency left main (LM) and non-emergency LM revascularization
| Overall, n = 2138 | Emergent LM revascularization n = 460 (21.5%) | P-Value | Non-emergent LM revascularization n = 1678 (78.5%) | P Value | |||
|---|---|---|---|---|---|---|---|
| PCI (n = 264) | CABG (n = 196) | PCI (n = 958) | CABG (n = 720) | ||||
| Baseline characteristics | |||||||
| Age (years), median (IQR) | 64 (57–70) | 63 (56–72) | 60 (54- 68) | 0.004 | 66 (60–72) | 62 (55–69) | < 0.001 |
| Body mass index (kg/m2), median (IQR) | 28 (25- 32) | 28 (25–31) | 28 (25–30) | 0.269 | 29 (26–33) | 28 (25–31) | < 0.001 |
| Gender (male), n (%) | 1678 (78.5%) | 202 (76.52%) | 170 (86.73%) | 0.006 | 692 (7223%) | 614 (85.28%) | < 0.001 |
| Smoker, n (%) | 849 (39.7%) | 85 (32.20%) | 83 (42.35%) | 0.025 | 394 (41.13%) | 287 (39.86%) | 0.601 |
| Diabetes mellitus, n (%) | 1468 (68.7%) | 185 (70.08%) | 139 (70.92%) | 0.845 | 619 (64.61%) | 525 (72.92%) | < 0.001 |
| Hypertension, n (%) | 1495 (70.4%) | 173 (65.78%) | 122 (62.24%) | 0.434 | 686 (72.67%) | 514 (71.39%) | 0.564 |
| Dyslipidemia, n (%) | 1463 (69.0%) | 179 (68.06%) | 125 (63.78%) | 0.337 | 642 (68.15%) | 517 (71.81%) | 0.108 |
| Congestive heart failure, n (%) | 261 (12.2%) | 44 (16.67%) | 23 (11.73%) | 0.138 | 152 (15.87%) | 42 (5.83%) | < 0.001 |
| Peripheral arterial disease, n (%) | 246 (11.5%) | 28 (10.61%) | 20 (10.20%) | 0.889 | 156 (16.28%) | 42 (5.83%) | < 0.001 |
| Cerebral vascular accident, n (%) | 222 (10.4%) | 30 (11.36%) | 11 (5.61%) | 0.032 | 149 (15.55%) | 32 (4.44%) | < 0.001 |
| Chronic kidney disease, n (%) | 437 (20.4%) | 62 (23.48%) | 29 (14.80%) | 0.021 | 254 (26.51%) | 92 (12.78%) | < 0.001 |
| Atrial fibrillation, n (%) | 183 (8.6%) | 27 (10.23%) | 12 (6.12%) | 0.118 | 127 (13.26%) | 17 (2.36%) | < 0.001 |
| Previous myocardial infarction, n (%) | 613 (28.7%) | 84 (31.82%) | 60 (30.61%) | 0.783 | 334 (34.86%) | 135 (18.75%) | < 0.001 |
| EuroSCORE, median (IQR) | 2.9 (1.26–4.56) | 3.9 (2.01–7) | 2.45 (1.27–5) | < 0.001 | 1.75 (1.04–3.65) | 3.65 (1.6–4.65) | < 0.001 |
CABG: coronary artery bypass graft surgery, PCI: percutaneous coronary intervention, EuroSCORE score: European system for cardiac operative risk evaluation, IQR: interquartile range