Table 1.
Demographics
| HC | PCS+ | PCS− | Statistical difference | |
|---|---|---|---|---|
| n | 30 | 24 | 23 | |
| Age | 40.2 ± 18.4 | 44.5 ± 17.5 | 38.8 ± 16.9 | F = 0.696; p = 0.50 |
| Education | 15 ± 2 | 14 ± 2 | 14 ± 3 | F = 1.927; p = 0.15 |
| Sex | 18 M/12 F | 15 M/9 F | 19 M/4 F | χ2 = 3.4; p = 0.18 |
| GCS | NA | 14.6 ± 0.7 | 15.0 ± 0.2 | p = 0.04 |
| Days postinjury | NA | 7 ± 3 | 6 ± 3 | p = 0.49 |
| MR+ or CT+ | NA | 8/24 (33%) | 7/23 (30%) | |
| Mechanism of injury | ||||
| MCC | NA | 4 (16%) | 2 (9%) | |
| MVC | NA | 5 (21%) | 2 (9%) | |
| Fall | NA | 11 (46%) | 8 (35%) | |
| Bicycle | NA | 2 (8%) | 2 (9%) | |
| Sports accident | NA | 0 (0%) | 2 (9%) | |
| Hit with blunt object | NA | 1 (4%) | 2 (9%) | |
| Assault | NA | 1 (4%) | 5 (22%) | |
Demographics of the three groups including the healthy control population and the TBI population consisting of PCS+ and PCS−.
CT, computed tomography; GCS, Glasgow Coma Scale; HC, healthy controls; MR, magnetic resonance; NA, not applicable; PCS, postconcussion syndrome; PCS+, patients with PCS; PCS−, patients without PCS; MCC, motorcycle collision; MVC, motor vehicle collision.