Demographic information and causes of injury
| Participant Characteristics | Number of Participants |
|---|---|
| Demographics | |
| Age, time of imaging (range) (mean) (yr) | 10–28 (16.1 ± 2.9) |
| Male participants (%) | 44 (68.8) |
| Time from injury to imaging (mean) (days) | 55 ± 91 |
| Causes of mTBI | |
| Sports injury (%) | 42 (65.6%) |
| Motor vehicle collision (%) | 6 (9.4%) |
| Bicycle accident (%) | 2 (3.1%) |
| Fell down stairs (%) | 2 (3.1%) |
| Fell off horse (%) | 2 (3.1%) |
| Othera (%) | 10 (15.6%) |
↵a Various civilian injuries.