Table 3.
Surgical data
| Characteristics | Unmatched | Matched | p value | |
|---|---|---|---|---|
| Female | Male | |||
| Off-pump surgery | 17 (3.5%) | 2 (1.9%) | 3 (2.9%) | 0.651 |
| Surgery time [min], (with 1st and 3rd quartile) | 220 (180;265) | 217 (180;274) | 205 (176;252) | 0.214 |
| CPB time [min], (with 1st and 3rd quartile) | 99 (74;124) | 100 (71;126) | 92 (74;124) | 0.615 |
| Aortic cross-clamp time [min], (with 1st and 3rd quartile) | 52 (37;65) | 51 (37;62) | 49 (39;63) | 0.985 |
| Left internal mammary artery as graft | 360 (73.3%) | 76 (73.8%) | 72 (69.9%) | 0.535 |
| Radial artery as graft | 3 (0.6%) | 1 (1%) | 1 (1%) | 0.999 |
| Great saphenous vein as graft | 415 (84.5%) | 89 (86.4%) | 81 (78.6%) | 0.142 |
| Median number of grafts | 2 (2;3) | 2 (2;2) | 2 (2;3) | 0.93 |
| Median number of distal anastomoses | 3 (2;3) | 3 (2;3) | 3 (2;3) | 0.645 |
| Median number of proximal anastomoses | 1 (1;2) | 1 (1;2) | 1 (1;2) | 0.993 |
| Return on CPB | 8 (1.6%) | 4 (3.9%) | 1 (1%) | 0.174 |
| IABP | 60 (12.2%) | 19 (18.4%) | 10 (9.7%) | 0.071 |
| ECMO | 3 (0.6%) | 2 (1.9%) | 0 | 0.155 |
| Incomplete revascularization | 72 (14.7%) | 10 (9.7%) | 17 (16.5%) | 0.215 |
| Intraoperative death | 4 (0.8%) | 1 (1%) | 1 (1%) | 0.999 |