Table 1.
Baseline characteristics of propensity-matched patients based on sequential venous grafts
| Characteristics | Individual grafts (n = 127) | Sequential grafts (n = 127) | P |
|---|---|---|---|
| Age (years), (mean ± SD) | 62.1 ± 9.3 | 61.3 ± 8.3 | 0.34 |
| Female, n (%) | 32 (25.2) | 27 (21.3) | 0.46 |
| BMI (kg/m2), (mean ± SD) | 25.7 ± 3.2 | 25.6 ± 3.1 | 0.84 |
| Diabetes mellitus, n (%) | 42 (33.1) | 42 (33.1) | 1.00 |
| Hypertension, n (%) | 84 (66.1) | 89 (70.1) | 0.50 |
| Renal dysfunction, n (%) | 0 (0) | 2 (1.6) | 0.50 |
| COPD, n (%) | 3 (2.4) | 2 (1.6) | 0.65 |
| Carotid artery stenosis, n (%) | 26 (20.5) | 35 (27.6) | 0.19 |
| History of PCI, n (%) | 14 (11.0) | 16 (12.6) | 0.70 |
| Cerebrovascular disease, n (%) | 16 (12.6) | 14 (11.0) | 0.70 |
| Hyperlipidaemia, n (%) | 73 (57.5) | 74 (58.3) | 0.90 |
| Angina pectoris, n (%) | 123 (96.9) | 115 (90.6) | 0.03 |
| Myocardial infarction, n (%) | 44 (34.7) | 54 (42.5) | 0.20 |
| Ejection fraction, %, (mean ± SD) | 58.3 ± 11.8 | 59.2 ± 10.9 | 0.57 |
| LVEDD (mm), (mean ± SD) | 49.0 ± 8.6 | 49.4 ± 7.7 | 0.95 |
| RWMA, n (%) | 50 (39.4) | 52 (40.9) | 0.80 |
| Mitral regurgitation, n (%) | |||
| None, n (%) | 116 (91.3) | 111 (87.4) | 0.55 |
| Mild, n (%) | 10 (7.9) | 14 (11.0) | |
| Moderate, n (%) | 1 (0.8) | 2 (1.6) | |
| Atrial fibrillation, n (%) | 2 (1.6) | 5 (3.9) | 0.45 |
| Prior cardiac surgery, n (%) | 1 (0.8) | 1 (0.8) | 1.00 |
| Preoperative IABP | 1 (0.8) | 0 (0) | 1.00 |
| Coronary artery disease, n (%) | |||
| Single-vessel disease, n (%) | 2 (1.6) | 1 (0.8) | 0.73 |
| Two-vessel disease, n (%) | 3 (2.4) | 6 (4.7) | |
| Three-vessel disease, n (%) | 72 (56.7) | 69 (54.3) | |
| Left main, n (%) | 50 (39.4) | 51 (40.2) | |
| LIMA, n (%) | 127 (100) | 124 (97.6) | 0.25 |
| NYHA, n (%) | |||
| 1 | 20 (15.8) | 11 (8.7) | 0.20 |
| 2 | 93 (73.2) | 103 (81.1) | |
| 3 | 13 (10.2) | 13 (10.2) | |
| 4 | 1 (0.8) | 0 (0.0) |
BMI: Body mass index; COPD: Chronic obstructive pulmonary disease; IABP: Intra-aortic ballon pump; LIMA: Left internal mammary artery; LVEDD: Left ventricular end diastolic diameter; NYHA: New York Heart Association; PCI: Percutaneous coronary intervention; RWMA: Regional wall motion abnormity; SD: Standard deviation.