Incremental outcomes before and during intervention for patients with SSI
| Sample description and outcome | Before intervention (95% CI) | During intervention (95% CI) | Incremental (%) | P value* |
| Number of SSI cases identified | 62 (13.9) | 49 (8.4) | – | |
| SSI mortality risk (%) | 4.8 | 4.1 | −1 (33.3) | 0.077 |
| Indicators of severity | ||||
| Mean LOS for the overall sample | 8.3 | 7.1 | −1.2 (13.0) | 0.091 |
| Mean additional LOS | 4.6 (3.8 to 5.3) | 3.1 (2.9 to 3.4) | −1.5 (32.6) | <0.05 |
| Mean number of outpatient visits | 7.9 (7.3 to 8.5) | 5.2 (4.4 to 5.6) | −2.7 (34.2) | <0.05 |
| Mean number of laboratory test | 2.5 (2.2 to 2.9) | 1.3 (1.1 to 1.6) | −1.2 (48.0) | <0.01 |
*Comparing before and during-intervention outcomes.
LOS, length of hospital stay; SSI, surgical site infection.