Table 1.
Demographic Characteristics, Injury Severity among TBI Subjects, and Neuropsychological Test Results
| Control | TBI | p value | |
|---|---|---|---|
| N | 32 | 36 | |
| Age, years (SD) | 35.4 (10.1) | 33.8 (14.5) | 0.59 |
| Sex, no. male (%) | 24 (75.0) | 26 (72.2) | 1.00 |
| Education, years (SD) | 13.2 (2.2) | 13.8 (2.3) | 0.31 |
| Duration of PTA, h (SD) | — | 25.9 (21.5) | — |
| Time to follow commands, days (SD) | — | 7.2 (9.8) | — |
| Total GCS score (SD) | — | 10.0 (4.0) | — |
| Injury mechanism (traffic/fall/other) | 25/8/3 | ||
| Processing Speed Index (PSI) | 96.9 (13.9) | 85.1 (19.4) | 0.005 |
| Executive Function Composite (EF) | 49.5 (7.5) | 44.1 (9.4) | 0.013 |
| Rey Auditory Verbal Learning Test (VL) | 44.56 (9.20) | 33.54 (15.87) | 0.001 |
Bolded values indicate statistical significance.
GCS is based on a subset of TBI subjects (N = 24).
TBI, traumatic brain injury; SD, standard deviation; PTA, post-traumatic amnesia; GCS, Glasgow Coma Scale.