Percentages and CIs of main categories of root causes for all units and per unit type
| Root cause type (main category) | Emergency medicine N=845 | Surgery N=1250 | Internal medicine N=920 | Total N=3015 |
|---|---|---|---|---|
| Human*†‡ | 60.2 (56.9 to 63.7) | 72.1 (69.7 to 74.6) | 76.7 (74.7 to 79.4) | 70.2 (68.6 to 71.8) |
| Organisational†‡ | 25.0 (21.7 to 28.4) | 16.1 (13.7 to 18.6) | 11.8 (9.2 to 14.5) | 17.3 (15.7 to 18.9) |
| Technical†‡ | 10.8 (7.5 to 14.2) | 5.7 (3.3 to 8.2) | 5.1 (2.5 to 7.7) | 6.9 (5.3 to 8.6) |
| Patient related/other*† | 4.0 (0.7 to 7.4) | 6.2 (3.8 to 8.6) | 6.3 (3.7 to 8.9) | 5.6 (4.0 to 7.3) |
| Total | 100 | 100 | 100 | 100 |
*Significant difference between emergency medicine and surgery; p<0.05.
†Significant difference between emergency medicine and internal medicine; p<0.05.
‡Significant difference between surgery and internal medicine; p<0.05.