| Unfavourable outcome (n = 45) | Favourable outcome (n = 264) | p Value* | |
| Males | 30 (66.7%) | 194 (73.5%) | 0.368 |
| Age, median (IQR) | 72 (30–80) | 51 (32–72) | 0.032 |
| Co-morbidity | 17 (38.6%) | 134 (50.6%) | 0.196 |
| Door-to-CT time (minutes; median (IQR)) | 90 (78–122) | 103 (74–130) | 0.380 |
| Injury-to-CT time (minutes; median (IQR)) | 156 (121–213) | 168 (133–216) | 0.329 |
| High-risk mechanism† | 32 (71.1%) | 125 (47.3%) | 0.004 |
| Road accidents | 25 (56.8%) | 173 (65.3%) | 0.310 |
| Accident falls | 19 (42.2%) | 90 (34.1%) | 0.314 |
| Injury Severity Score >15 | 33 (73.3%) | 111 (42.0%) | <0.001 |
*Mann–Whitney U test or Fisher’s exact test: p<0.05.
†Classified according to Canadian rules (pedestrian struck by motor vehicle, ejected from a motor vehicle, fall from height >3 feet or five stairs).24
IQR, interquartile range.