Table II.
Intraoperative/postoperative characteristics for the 2005-2010 National Surgical Quality Improvement Program (NSQIP) dataset
| Intraoperative/postoperative variables | N (%) | |
|---|---|---|
| Intraoperative | ||
| Anesthesia time, median (lower quartile-upper quartile), minutes | 168 (137-204) | |
| Operative time, median (lower quartile-upper quartile), minutes | 107 (83-136) | |
| Postoperative | ||
| Major complications | ||
| Cardiac | Cardiac arrest | 30 (0.2) |
| Myocardial infarction | 108 (0.6) | |
| Circulatory | Postoperative packed red blood cells transfusion >4 units | 74 (0.4) |
| Graft | Graft/prosthesis failure | 13 (0.1) |
| Infection | Sepsis | 52 (0.3) |
| Septic shock | 26 (0.2) | |
| Neurologic | Coma | 12 (0.1) |
| Peripheral nerve deficit | 40 (0.2) | |
| Stroke | 167 (0.9) | |
| Renal | Acute renal failure | 23 (0.1) |
| Renal insufficiency | 21 (0.1) | |
| Respiratory | Pneumonia | 119 (0.7) |
| Reintubation | 134 (0.8) | |
| Ventilator >48 hours | 74 (0.4) | |
| Return to operating room | Return to operating room | 768 (4.3) |
| Venous thromboembolism | Deep venous thrombosis | 26 (0.2) |
| Pulmonary embolism | 23 (0.1) | |
| Wound | Deep wound infection | 14 (0.1) |
| Wound dehiscence | 23 (0.1) | |
| Minor complications | ||
| Superficial wound infection | 73 (0.4) | |
| Urinary tract infection | 103 (0.6) | |
| Other postoperative parameters | ||
| Length of stay for survivors, median (lower quartile-upper quartile), days | 1 (1-2) | |
| Mortality | 72 (0.4) | |
| Combined postoperative parameters | ||
| Stroke or death | 225 (1.3) | |
| Stroke, MI, or death | 324 (1.8) |
MI, Myocardial infarction.