Thirty-day postoperative outcomes after inverse proportional weighting
| Outcome | % of patients* | % of patients* | % of patients* | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Pre-SSIB/pre-ERAS | Post-SSIB/pre-ERAS | p value | Post-SSIB/pre-ERAS | Post-SSIB/post-ERAS | p value | Pre-SSIB/pre-ERAS | Post-SSIB/post-ERAS | p value | |
| Length of stay, d, mean | 7.9 | 6.4 | 0.3 | 6.1 | 5.2 | 0.3 | 7.6 | 5.5 | 0.04 |
| Death | 2.6 | 2.2 | 0.9 | 1.2 | 1.7 | 0.7 | 2.2 | 1.7 | 0.8 |
| Readmission | 9.4 | 6.8 | 0.5 | 5.8 | 8.8 | 0.3 | 9.8 | 9.3 | 0.9 |
| Unplanned reoperation | 6.2 | 10.9 | 0.2 | 9.7 | 5.5 | 0.2 | 5.7 | 5.7 | 1.0 |
| Wound infection | 14.2 | 11.4 | 0.6 | 8.9 | 5.1 | 0.2 | 14.7 | 6.5 | 0.049 |
| Superficial SSI | 7.7 | 5.4 | 0.6 | 3.9 | 0.7 | 0.1 | 8.2 | 1.8 | 0.047 |
| Organ space SSI | 7.4 | 6.1 | 0.7 | 4.9 | 4.4 | 0.8 | 7.3 | 4.7 | 0.4 |
| Wound disruption | 1.0 | 1.4 | 0.8 | 1.3 | 1.1 | 0.9 | 1.3 | 1.2 | 0.9 |
| Pneumonia | 0.8 | 4.4 | 0.2 | 2.6 | 2.8 | 0.9 | 0.9 | 3.4 | 0.1 |
| Unplanned intubation | 1.8 | 1.3 | 0.8 | 1.4 | 3.4 | 0.3 | 1.7 | 3.8 | 0.3 |
| Urinary tract infection | 3.3 | 0.0 | 0.04 | 0.0 | 0.0 | 1.0 | 3.0 | 0.5 | 0.1 |
| Stroke/cerebrovascular accident | 0.0 | 0.0 | 1.0 | 0.0 | 0.6 | 1.0 | 0.0 | 0.5 | 1.0 |
| Cardiac arrest | 0.0 | 0.0 | 1.0 | 0.0 | 1.6 | 1.0 | 0.0 | 1.7 | 1.0 |
| Myocardial infarction | 1.8 | 0.0 | 0.2 | 0.0 | 2.3 | 1.0 | 1.9 | 2.5 | 0.8 |
| Blood transfusion | 12.2 | 9.8 | 0.6 | 8.4 | 7.7 | 0.8 | 12.0 | 9.7 | 0.6 |
| Sepsis | 0.9 | 1.4 | 0.7 | 1.5 | 1.1 | 0.8 | 0.9 | 1.1 | 0.9 |
| Septic shock | 2.7 | 4.1 | 0.6 | 3.2 | 1.6 | 0.4 | 2.4 | 1.9 | 0.8 |
ERAS = enhanced recovery after surgery; SSI = surgical site infection; SSIB = surgical site infection bundle.
↵* Unless indicated otherwise.