| Characteristics and Categories |
Primary Failures, %, N = 134 |
Total Failures, %, N = 193 |
| Technological Failure |
29 (21.6) |
45 (23.3) |
| ICT Failure |
33 (24.6) |
39 (20.2) |
| Internal Fire |
22 (16.4) |
27 (14.0) |
| External Fire |
2 (1.5) |
2 (1.0) |
| Internal Power Failure |
4 (3.0) |
23 (11.9) |
| External Power Failure |
17 (12.7) |
18 (9.3) |
| Hazardous Materials |
15 (11.2) |
19 (9.8) |
| Structural Failure |
5 (3.7) |
7 (3.6) |
| Utilities Failure |
0 (0.0) |
4 (2.1) |
| Loss of Medical Gasses |
0 (0.0) |
2 (1.0) |
| Meteorological |
4 (3.0) |
4 (2.1) |
| Security & Violence |
3 (2.2) |
3 (1.6) |
| Type of IHCD |
Count, %, N = 134 |
Count, %, N = 39 |
| Internal |
108 (80.6) |
|
| Combined |
26 (19.4%) |
|
| Cascading Events |
39 (29.1) |
|
| External power failure: technical failure: internal power failure |
|
9 (23.1) |
| ICT failure after power failure |
|
6 (15.4) |
| Technical failure leading to fire |
|
4 (10.3) |
| Technical failure leading to internal power failure |
|
4 (10.3) |
| Technical failure leading to hazardous material incident |
|
3 (9.0) |
