TABLE I.
Demographic Data for Each Subject With mTBI and Summary of Radiological Findings
| Subject Number | Age | Gender | Handedness | Education | Race | Cause of TBI | LOC (y/n) | LOC duration | PTA (y/n) | Anterograde PTA duration | GCS | MPI | HISC | PCL_C | CT/MRI brain |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 45.4 | F | R | 18 | C | Fall or blow to the head | Yes | Seconds | Yes | 1 hour | 15 | 45.0 | 1 | 20 | Normal CT |
| 2 | 52.2 | M | R | 13 | Ref | MVA | Yes | 2 minutes | Yes | 5 minutes | 15 | 69.2 | 2 | 22 | Normal MRI |
| 3 | 58.1 | M | R | 12 | C | MVA | Yes | 5 minutes | Yes | 1–2 hours | N/A | 55.5 | 2 | 21 | Normal CT |
| 4 | 30.7 | M | A | 13 | AA | MVA | Yes | 1–5 minutes | Yes | 3–5 minutes | N/A | 38.9 | 16 | 69 | Normal CT |
| 5 | 23.9 | F | R | 16 | C | Fall or blow to the head | No | No | Yes | 15 minutes | N/A | 58.6 | 8 | 28 | Normal MRI |
| 6 | 45.3 | M | R | 20 | C | Fall or blow to the head | N/A | N/A | Yes | 9–10 hours | N/A | 39.7 | 1 | 20 | Normal CT |
| 7 | 45.5 | M | L | 14 | C | Fall or blow to the head | Yes | N/A | Yes | N/A | N/A | 13.1 | 3 | 19 | Acute: nondisplaced skull fracture, traumatic SAH; follow-up: resolution of the traumatic subarachnoid blood with no persistent subdural collection. |
| 8 | 30.9 | M | R | 15 | AA | MVA | Yes | N/A | Yes | N/A | N/A | 3.7 | 2 | 25 | N/A |
| 9 | 47.5 | F | N/A | 18 | C | Fall or blow to the head | N/A | N/A | Yes | 5–30 minutess | 15 | 8.1 | 9 | 34 | Facial trauma with orbital wall, maxillary sinus fracture |
| 10 | 41.0 | M | R | 12 | AA | N/A | N/A | N/A | N/A | N/A | N/A | 8.6 | 0 | 17 | N/A |
| 11 | 51.1 | M | R | 13 | AA | Fall or blow to the head | Yes | N/A | Yes | 1–24 hours | 15 | 1.6 | 3 | 25 | Right SAH |
| 12 | 49.7 | F | R | 12 | AA | MVA | Yes | Minutes | Yes | 5–30 minutes | 15 | 0.9 | 11 | 64 | Normal CT |
| 13 | 50.2 | M | R | 14 | C | MVA | No | No | No | No | 15 | 3.7 | 2 | 36 | Normal CT |
| 14 | 28.8 | M | R | 18 | C | Fall or blow to the head | No | No | No | No | N/A | 3.1 | 2 | 17 | Normal CT |
MPI, months post injury; GCS, Glasgow Coma Scale; MVA, motor vehicle accident; N/A, not available; PTA, post-traumatic amnesia; LOC, loss of consciousness; L, left handed; R, right handed; A, ambidextrous; M, male; F, female; U, unknown; AA, African-American; C, Caucasian; A, Asian; Ref, refused; HISC, number of symptoms on HISC 1–20 scale that are appeared or become worse after mTBI; PCL-C, score on PTSD CheckList – Civilian Version; CT, computed tomography; SAH, subarachnoid hemorrhage. Age and education is in years.