Table 4.
Postoperative data of propensity-matched patients.
| Variable | Off-pump (n = 307) |
On-pump (n = 307) |
P value |
|---|---|---|---|
| Inotropes leaving OR | 26 (8.5) | 54 (17.6) | <0.001 |
| Stroke/TIA | 1/1 (0.7) | 2/1 (1.0) | 0.87 |
| Atrial fibrillation | 37 (12.1) | 47 (15.3) | 0.73 |
| Chest infection | 14 (4.6) | 19 (6.2) | 0.76 |
| Hemofiltration | 4 (1.3) | 19 (6.2) | 0.01 |
| Postoperative IABP | 5 (1.6) | 7 (2.3) | 0.79 |
| Ventilation > 24 hrs | 7 (2.3) | 11 (3.6) | 0.67 |
| Superficial sternal infection | 3 (0.9) | 4 (1.3) | 0.84 |
| Deep sternal infection | 2 (0.7) | 3 (0.9) | 0.91 |
| Mediastinitis | 0 (0) | 1 (0.3) | 0.76 |
| Vein harvest site infection | 7 (2.3) | 10 (3.3) | 0.83 |
| Blood product usage | 19 (6.2) | 91 (29.6) | <0.001 |
| Return to OR for bleeding | 8 (2.6) | 17 (5.5) | 0.01 |
| Tracheostomy | 1 (0.3) | 3 (0.9) | 0.67 |
| GI complications | 2 (0.6) | 3 (0.9) | 0.79 |
| Length of ICU stay median (IQR) |
1 (1–3) | 1 (1–3) | 0.98 |
| Length of hospital stay median (IQR) |
7 (4–13) | 7 (4–13) | 0.98 |
| In-hospital mortality | 4 (1.3) | 4 (1.3) | 1.00 |
| Late mortality | 11 (3.6) | 12 (3.9) | 0.91 |
| Readmission | 10 (3.3) | 11 (3.6) | 0.93 |
| Reintervention | 2 (0.7) | 2 (0.7) | 1.00 |
Values in parentheses are percentages.
GI: gastrointestinal; IABP: intra-aortic balloon pump; ICU: intensive care unit; IQR: interquartile range; OR: operating room; TIA: transient ischemic attack.