TABLE 2.
Unadjusted postoperative outcomes for all patients undergoing primary, isolated coronary artery bypass grafting operations
| Outcome | CABG (n = 1589) | OPCAB (n = 404) | P value |
|---|---|---|---|
| Sepsis | 1.4% | 0.7% | .22 |
| Stroke | 2.6% | 1.7% | .21 |
| Myocardial infarction | 0.3% | 1.2% | .03 |
| Cardiac arrest | 2.6% | 1.7% | .21 |
| Reoperation for graft occlusion | 0.1% | 0.0% | .64 |
| Atrial fibrillation | 28.4% | 21.5% | .003 |
| Gastrointestinal event | 3.3% | 3.2% | .55 |
| Pneumonia | 5.0% | 5.0% | .55 |
| Prolonged ventilation | 14.7% | 11.4% | .05 |
| Renal failure | 8.1% | 6.2% | .12 |
| Hemodialysis | 3.1% | 2.5% | .30 |
| ICU LOS (h) | 101.3 ± 173.0 | 84.8 ± 110.8 | .21 |
| Postoperative LOS (d) | 9.04 ± 10.0 | 9.52 ± 10.5 | .41 |
| Hospital LOS (d) | 12.39 ± 11.1 | 12.20 ± 10.6 | .75 |
| Major complication | 20.1% | 15.6% | .04 |
| Operative mortality | 5.1% | 5.9% | .53 |
| Readmission <30 days | 9.7% | 10.6% | .31 |
| ICU/CCU cost ($) | 8,826.70 ± 11,564.90 | 7,645.16 ± 7,845.56 | .08 |
| Total cost ($) | 36,755.18 ± 34,650.30 | 35,030.55 ± 34,634.70 | .43 |
Boldface indicates statistically significant P values. CABG, Conventional coronary artery bypass grafting; OPCAB, off-pump coronary artery bypass grafting; ICU, intensive care unit; LOS, length of stay; CCU, cardiac care unit.