Relative proportion of breaches by category by hospital
| Category | Hospital 1 | Hospital 2 | Hospital 3 | Hospital 4 | Hospital 5 | Hospital 6 | All Hospitals |
| Latent conditions | |||||||
| Policy/procedure (%) | 29.2 | 23.2 | 26.0 | 34.6 | 25.0 | 14.0 | 23.2 |
| Equipment (%) | 10.4 | 2.8 | 10.7 | 15.4 | 11.4 | 8.4 | 9.3 |
| System processes (%) | 13.0 | 21.8 | 9.2 | 16.3 | 9.1 | 20.8 | 16.3 |
| Active failures | |||||||
| Situational awareness (%) | 5.2 | 20.4 | 9.2 | 9.6 | 15.9 | 16.2 | 13.0 |
| Shared mental model (%) | 8.3 | 13.4 | 27.5 | 10.6 | 14.8 | 19.2 | 16.0 |
| Communication (%) | 33.9 | 18.3 | 17.6 | 13.5 | 23.9 | 21.4 | 22.3 |
| Total (%) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |