Table 5:
Unadjusted Postoperative Outcomes
| Total Operative Time (min) | <0.001 | |||
| Mean (SD) | 573.91 (168.99) | 439.61 (146.34) | 232.96 (189.75) | |
| Median (Q1, Q3) | 562.0 (458.0, 675.0) | 428.5 (344.5, 505.5) | 194.0 (70.0, 343.0) | |
| Wound classification | 0.038 | |||
| Clean | 114 (8.8%) | 19 (9.1%) | 335 (10.4%) | |
| Clean/Contaminated | 1155 (89.1%) | 178 (85.6%) | 2791 (87.0%) | |
| Contaminated | 28 (2.2%) | 11 (5.3%) | 81 (2.5%) | |
| Superficial Incisional SSI | 83 (6.4%) | 17 (8.2%) | 91 (2.8%) | <0.001 |
| Deep Incisional SSI | 58 (4.5%) | 12 (5.8%) | 53 (1.7%) | <0.001 |
| Organ Space SSI | 29 (2.2%) | 10 (4.8%) | 29 (0.9%) | <0.001 |
| Wound dehiscence | 65 (5.0%) | 18 (8.7%) | 71 (2.2%) | <0.001 |
| Pneumonia | 92 (7.1%) | 21 (10.1%) | 89 (2.8%) | <0.001 |
| Unplanned Intubation | 44 (3.4%) | 6 (2.9%) | 34 (1.1%) | <0.001 |
| Pulmonary Embolism | 8 (0.6%) | 1 (0.5%) | 8 (0.2%) | 0.169 |
| Mechanical Ventilation>48hrs | 88 (6.8%) | 5 (2.4%) | 55 (1.7%) | <0.001 |
| Progressive Renal Insufficiency | 3 (0.2%) | 1 (0.5%) | 3 (0.1%) | 0.247 |
| Urinary Tract Infection | 22 (1.7%) | 3 (1.4%) | 29 (0.9%) | 0.071 |
| Occurrences CVA | 4 (0.3%) | 1 (0.5%) | 5 (0.2%) | 0.416 |
| Cardiac Arrest | 15 (1.2%) | 3 (1.4%) | 12 (0.4%) | 0.004 |
| Myocardial Infarction | 11 (0.8%) | 2 (1.0%) | 9 (0.3%) | 0.023 |
| Bleeding requiring transfusion | 427 (32.9%) | 60 (28.8%) | 199 (6.2%) | <0.001 |
| DVT/Thrombophlebitis | 17 (1.3%) | 6 (2.9%) | 14 (0.4%) | <0.001 |
| Sepsis | 45 (3.5%) | 17 (8.2%) | 48 (1.5%) | <0.001 |
| Septic Shock | 6 (0.5%) | 5 (2.4%) | 8 (0.2%) | <0.001 |
| Composite DVT outcome | 24 (1.9%) | 7 (3.4%) | 20 (0.6%) | <0.001 |
| Composite Cardiac Outcome | 27 (2.1%) | 5 (2.4%) | 23 (0.7%) | <0.001 |
| Composite Infection Outcome | 186 (14.3%) | 49 (23.6%) | 199 (6.2%) | <0.001 |
| Unplanned Reoperation | 266 (20.5%) | 40 (19.2%) | 213 (6.6%) | <0.001 |
| Hospital Readmission | 141 (11.1%) | 29 (14.1%) | 252 (8.0%) | <0.001 |