| Variable | Period; no. (%) | p value | |
|---|---|---|---|
| Pre-SSC | Post-SSC | ||
| Antibiotic prophylaxis | |||
| Overall | 125/169 (74) | 72/143 (50.3) | < 0.0001 |
| Appropriately given | 61/83 (73.5) | 39/78 (50) | 0.003 |
| Appropriately withheld | 64/86 (74.4) | 36/65 (55.4) | 0.02 |
| VTE prophylaxis | |||
| Overall | 145/169 (85.8) | 128/143 (89.5) | 0.4 |
| Appropriately given | 2/22 (9.1) | 12/23 (52.2) | 0.003 |
| Appropriately withheld | 143/147 (97.3) | 116/120 (96.7) | 1 |
SSC = Surgical Safety Checklist; VTE = venous thromboembolism.