CT 2 results between those aged 65 years and over and under 65 years
| Characteristic | ≥65 (n=143) | ≤65 (n=156) | P value |
| ED GCS (mean±SD) | 14.81±0.43 | 14.83±0.44 | 0.648 |
| GCS at 24 hours ( mean ± SD ) | 14 ± 3 | 14 ± 4 | 0.007 |
| INR ( mean ± SD ) | 1.18 ± 0.71 | 0.93 ± 0.39 | 0.007 |
| Platelet count (mean±SD) | 209.7±81.7 | 229.8±86.7 | 0.681 |
| Hours between CT 1 and 2 (mean±SD) | 11.4±7.7 | 11.3±8.8 | 0.192 |
| Days between CT 2 and 3 (mean±SD) | 10.7±17.9 | 8.41±15.1 | 0.144 |
| Injury Severity Score (mean±SD) | 7± 3 | 10± 6 | 0.000* |
| Length of stay in days (mean±SD) | 3.59± 3.52 | 3.71± 6.80 | 0.044* |
| ICU days (mean±SD) | 1.00±1.98 | 0.99±3.81 | 0.089 |
Bold values significance p<.05
ED, emergency department; GCS, Glasgow Coma Score; ICU, intensive care unit; INR, international normalised ratio.