Frequency of self-reported use of the checklist and the six basic safety processes.
| Always, in full | Always, in part | Sometimes | Occasionally | Never | No response | |
| Are you using the checklist in the operating room? (n=149) | 67 | 43 | 21 | 5 | 6 | 7 |
| 45% | 29% | 14% | 3% | 4% | 5% |