TABLE 1.
Pre-operative characteristics after PS-matching.
| Total (2018) | Non-CR (1009) | CR (1009) | P-value | |
| Baseline characteristics | ||||
| Age years [median (IQR)] | 70 (64–76) | 70 (64–76) | 70 (64–76) | 0.792 |
| Male gender | 1589 (78.7) | 795 (78.8) | 794 (78.7) | 0.99 |
| EuroSCORE II | 1.91 (1.21,3.19) | 1.92 (1.22, 3.19) | 1.90 (1.18, 3.19) | 0.760 |
| Diabetes | 899 (44.5) | 457 (45.3) | 442 (43.8) | 0.531 |
| Insulin ± oral hypoglycemic drugs | 372 (18.4) | 186 (18.4) | 186 (18.4) | 0.99 |
| Smoking | 1247 (61.8) | 628 (62.2) | 619 (61.3) | 0.714 |
| Hypertension | 1829 (90.6) | 917 (90.9) | 912 (90.4) | 0.760 |
| Hyperlipidemia | 1293 (64.1) | 656 (65.0) | 637 (63.1) | 0.404 |
| BMI [median (IQR)] | 28.69 (25.78–31.70) | 28.70 (25.65, 31.71) | 28.69 (25.95, 31.67) | 0.815 |
| Pulmonary hypertensiona | 154 (7.6) | 86 (8.5) | 68 (6.7) | 0.154 |
| Renal impairment | 1128 (55.9) | 570 (56.5) | 558 (55.3) | 0.622 |
| Dialysis (regardless of CC) | 26 (1.3) | 13 (1.3) | 13 (1.3) | 0.99 |
| Peripheral artery disease | 515 (25.5) | 263 (26.1) | 252 (25.0) | 0.610 |
| Cerebrovascular disease | 162 (8) | 75 (7.4) | 87 (8.6) | 0.368 |
| History of stroke | 73 (3.6) | 34 (3.4) | 39 (3.9) | 0.634 |
| History of TIA/RIND | 72 (3.6) | 28 (2.8) | 44 (4.4) | 0.071 |
| chronic lung disease | 111 (5.5) | 56 (5.6) | 55 (5.5) | 0.99 |
| LVEF (%) [median (IQR)]a | 50 (40–55) | 50 (40–55) | 49 (40–55) | 0.527 |
| 3 vessel CAD | 1609 (79.7) | 813 (80.6) | 796 (78.9) | 0.376 |
| Previous MI | 1076 (53.3) | 517 (51.2) | 559 (55.4) | 0.067 |
| Previous PCI | 304 (15.1) | 152 (15.1) | 152 (15.1) | 0.99 |
| NYHA IV | 31 (1.5) | 14 (1.4) | 17 (1.7) | 0.718 |
| CCS 4 | 194 (9.6) | 93 (9.2) | 101 (10.0) | 0.597 |
| ACS | 95 (4.7) | 47 (4.7) | 48 (4.8) | 0.99 |
aMissing data.
PS, propensity score; IQR, interquartile range; BMI, body mass index; PA, pulmonary artery; CC, creatinine clearance; TIA, transient ischemic attack; LVEF, left ventricle ejection fraction; CAD, coronary artery disease; VD, vessel disease; MI, myocardial infarction; PCI, percutaneous coronary intervention; NYHA, New York Heart Association; CCS, Canadian Cardiovascular Society; ACS, Acute Coronary Syndrome.