Intercepted incidents per part of the Surgical Patient Safety System (SURPASS) checklist (N=6313 checklists) (see appendix for detailed results)
| Part of the checklist | Mean completion (%) | Intercepted incidents (N) |
| Total | 72.2 | 6312 |
| Total preoperative | 82.5 | 3458 |
| Preoperative by operating assistant | 71.3 | 433 |
| Preoperative by ward doctor | 81.1 | 578 |
| Preoperative by surgeon | 78.5 | 293 |
| Preoperative by anaesthesiologist | 86.5 | 1010 |
| Preoperative by ward nurse | 87.8 | 1144 |
| Total perioperative | 82.9 | 897 |
| Time-out procedure by surgeon, anaesthesiologist and operating assistant | 82.9 | 897 |
| Total postoperative | 56.1 | 1957 |
| Postoperative by surgeon | 78.6 | 161 |
| Postoperative by anaesthesiologist | 73.9 | 699 |
| Transfer from recovery to ward by anaesthesiologist | 67.7 | 225 |
| Discharge by ward doctor | 38.3 | 256 |
| Discharge by ward nurse | 45.8 | 616 |