Occurrence of registered equipment-related incidents (by location)
| Location A no of incidents | Location B no of incidents | Total no of incidents (%) | |
| Timing of incidents | |||
| During preparation | 22 | 25 | 47 (31.8) |
| During surgery | 46 | 55 | 101 (68.2) |
| Equipment category | |||
| Medical devices | 21 | 21 | 42 (28.4) |
| Instruments | 27 | 41 | 68 (45.9) |
| Materials | 12 | 3 | 15 (10.1) |
| Facilitating | 8 | 15 | 23 (15.5) |
| Type of problem | |||
| Equipment not available | 30 | 36 | 66 (44.6) |
| Broken equipment | 34 | 38 | 72 (48.6) |
| Misuse | 2 | 3 | 5 (3.4) |
| Other (ie, procedural problems) | 2 | 3 | 5 (3.4) |
N=148.