| Postoperative variables | Overall (N = 1191) | ERP non-failure (N = 918) | ERP failure (N = 273) | p value |
|---|---|---|---|---|
| HLOS, median (Q1, Q3) | 4 (3.0–6.0) | 3 (2.0–4.0) | 10 (8.0–16.0) | <0.01 |
| Readmission, n (%) | 152 (12.8) | 108 (11.8) | 44 (16.1) | 0.06 |
| Any complication, n (%) | 252 (21.2) | 121 (13.2) | 131 (47.9) | <0.01 |
| Renal failure, n (%) | 4 (0.3) | 1 (0.1) | 3 (1.1) | 0.01 |
| Clostridium difficile infection, n (%) | 8 (0.7) | 4 (0.4) | 4 (1.5) | 0.07 |
| Deep SSI, n (%) | 12 (1.0) | 7 (0.8) | 5 (1.8) | 0.12 |
| Myocardial infarction, n (%) | 4 (0.3) | 2 (0.2) | 2 (0.7) | 0.2 |
| Postop ventilator requirement, n (%) | 7 (0.6) | 3 (0.3) | 4 (1.5) | 0.03 |
| Organ space infection, n (%) | 78 (6.6) | 35 (3.8) | 43 (15.8) | <0.01 |
| Postop pneumonia, n (%) | 8 (0.7) | 0 (0) | 8 (2.9) | <0.01 |
| Postop acute kidney injury (AKI), n (%) | 11 (0.9) | 4 (0.4) | 7 (2.6) | <0.01 |
| Pulmonary thromboembolism (PTE), n (%) | 2 (0.2) | 2 (0.2) | 0 (0) | 0.44 |
| Postop sepsis, n (%) | 21 (1.8) | 11 (1.2) | 10 (3.7) | <0.01 |
| Superficial SSI, n (%) | 41 (3.4) | 23 (2.5) | 18 (6.6) | <0.01 |
| Postop transfusion, n (%) | 85 (7.1) | 37 (4.0) | 48 (17.6) | <0.01 |
| Intubation, n (%) | 9 (0.8) | 2 (0.2) | 7 (2.6) | <0.01 |
| Urinary tract infection (UTI), n (%) | 15 (1.3) | 11 (1.2) | 4 (1.5) | 0.73 |
| Deep venous thrombosis (DVT), n (%) | 9 (0.8) | 2 (0.2) | 7 (2.6) | <0.01 |
Bold font represents significant p values <0.05.