Table 2.
TBI profile of subjects.
| Demographics | n = 13 | Range |
|---|---|---|
| Number TBIs | 2.1 ± 1.4 | 1–5 |
| TBI recency (years) | 7.6 ± 10.4 | 1–27 |
| OEF/OIF | 3 (23%) | |
| Blast injury | 3 (23%) | |
| PCS | 9 (69%) | |
| LOC | 7 (54%) | |
| Confusion | 6 (46%) | |
| PTA | 6 (46%) | |
| PTSD | 5 (39%) | |
| Tinnitus | 9 (69%) | |
| Hearing loss | 8 (62%) | |
| Headaches | ||
| Infrequent or none | 4 (31%) | |
| Frequent | 4 (31%) | |
| Chronic | 5 (39%) |
Note: Data are mean ± SD for continuous variables and count (%) for categorical variables. Headache frequency is defined by: approximately once a week or less, between once a week to about 50% of days, and most or all days, corresponding to infrequent or none, frequent, and chronic, respectively.
TBI: traumatic brain injury; OEF/OIF: operation enduring freedom/operation Iraqi freedom veteran; PCS: post-concussive syndrome; LOC: loss of consciousness; PTA: post-traumatic amnesia; PTSD: post-traumatic stress disorder.