The results from measures of post-traumatic and emotional symptoms at 1 week postinjury for the two outcome groups: recovered and those who still reported symptoms and disability (PCS) at 1 year postinjury
| Variable | Recovered (n=83) | PCS (n=11) | OR (CI) | P values | ||
| M | SD | M | SD | |||
| Impact of Event Scale | ||||||
| Intrusions | 6.2 | 5.4 | 15.2 | 14.7 | 1.1 (1.0 to 1.2) | 0.002 |
| Avoidance | 4.8 | 6.7 | 9.3 | 10.2 | 1.1 (1.0 to 1.2) | 0.070 |
| Hyperarousal | 3.5 | 4.3 | 12.4 | 8.7 | 1.2 (1.1 to 1.4) | <0.001 |
| Total | 14.5 | 14.5 | 36.8 | 30.0 | 1.1 (1.0 to 1.1) | 0.001 |
| Hospital Anxiety and Depression Scale | ||||||
| Anxiety | 2.7 | 3.3 | 8.4 | 5.7 | 1.3 (1.1 to 1.6) | <0.001 |
| Depression | 2.2 | 2.6 | 6.7 | 4.7 | 1.4 (1.1 to 1.7) | <0.001 |
ORs with CIs and p values are calculated using logistic regression.
PCS, post-concussive symptoms.