Table 1 Sample characteristics
Demographics/history | Mean (SD) or number of subjects (%) |
|---|---|
Total Number of Subjects | 254 |
Female | 143 (56.3%) |
Age (years) | 34.6 (SD 16.2, median 31) |
Prior headache history | 38 (15.0%) |
Post-traumatic headache | 183 (72.1%) |
Prior concussions | |
0 | 66.1% |
1 | 10.7% |
2 | 12.1% |
3+ | 11.2% |
Mechanism of injury | |
Falls | 32.7% |
Motor vehicle accident | 21.3% |
Assault | 5.12% |
Other trauma | 5.52% |
Sports-related | 35.4% |
Time between concussion and assessment (days) | mean 131 (SD 379, median 25) |
Loss of consciousness | 69 (27.2%) |
Amnesia | 42 (16.5%) |