Table 3.
Clinical outcomes
| Outcome | Observed rate (n = 964) | STS expected rate* n = 964) |
|---|---|---|
| 30-day mortality | 14 (1.4%) | 2.0% |
| Reoperation for bleeding | 41 (4.2%) | 6.0% |
| Postoperative stroke | 9 (0.9%) | 1.0% |
| Postoperative sternal infection | 18 (1.9%) | 0.5% |
| Postoperative renal failure | 71 (7.4%) | 3.0% |
| Postoperative MI | 13 (1.3%) | |
| Postoperative atrial fibrillation | 241 (25%) | |
| Time on the respirator (hours) | 14 ± 29 (8, 2–432) | |
| ICU length of stay (hours) | 74 ± 73 (48, 0–1008) | |
| Hospital length of stay (days) | 8 ± 7 (10, 2–142) |
*Predicted outcome rate based on the American Society of Thoracic Surgeons Database risk-assessment algorithms [13].