Table 3.
Operative Outcomes
| Variable | Study Site n mean (SD) | 2001–03 % median (25%–75%) | STS (2001–03) % median (25%–75%) | P – value |
| Intra-aortic Balloon pump (any) | 73 | 14.5 | 9.2 | <.001 |
| Blood Transfusion (Any) | 256 | 50.8 | 45.3 | .014 |
| Complication | ||||
| ReOp Bleeding | 14 | 2.78 | 2.50 | .798 |
| Perioperative myocardial infarction | 3 | 0.60 | 1.07 | .414 |
| Sternal wound infection | 1 | 0.20 | 0.47 | .578 |
| Leg wound infection | 14 | 2.78 | 0.70 | <.001 |
| Septicemia | 7 | 1.39 | 1.03 | .570 |
| Urinary Infection | 9 | 1.79 | 1.67 | .973 |
| Permanent Stroke | 4 | 0.79 | 1.53 | .242 |
| Transient Stroke | 7 | 1.39 | 0.93 | .406 |
| Post-Op Ventilator (hours) | 23.2 80.3 | 6.3 (4.0–15.8) | 21.73 | |
| Ventilator Prolonged (>24 hrs) | 53 | 10.5 | 7.5 | .012 |
| Pneumonia | 15 | 2.98 | 2.87 | .989 |
| Renal Failure | 34 | 6.75 | 3.47 | <.001 |
| Atrial Fibrillation | 144 | 28.6 | 19.9 | <.001 |
| Operative Mortality | 12 | 2.38 | 2.53 | .940 |
| Total LOS (days) | 8.59 6.11 | 7 (5–10) | 8.97 | |
| Post-Op LOS (days) | 6.45 5.27 | 5 (4–7) | 6.87 | |
| 30-day Readmission | 59 | 11.7 | 8.4 | .009 |