Table 1.
Patient Characteristics
| Variable | n | No. | Percent |
|---|---|---|---|
| Age (years)a |
57 |
33.5 |
(11.4 – 63.4) |
| Sex (male/female) |
57 |
42/15 |
(74%/26%) |
| Injury mechanism |
57 |
|
|
| Vehicle accident |
|
26 |
(46%) |
| Fall |
|
25 |
(44%) |
| Other |
|
6 |
(10%) |
| Severe TBI according to HISS |
57 |
26 |
(46%) |
| GCS scoreb |
57 |
9 |
(3 – 13) |
| Unilateral pupillary dilation |
57 |
5 |
(9%) |
| ADC map lesions in corpus callosum |
57 |
21 |
(37%) |
| FLAIR lesions in corpus callosum |
57 |
29 |
(51%) |
| Traumatic axonal injury (TAI) grade |
57 |
|
|
| No TAI |
|
10 |
(18%) |
| TAI grade 1 |
|
16 |
(28%) |
| TAI grade 2 |
|
14 |
(25%) |
| TAI grade 3 |
|
17 |
(30%) |
| Neurosurgery performed | |||
| Evacuation hematoma |
|
12 |
(21%) |
| External ventricular drainage |
|
4 |
(7%) |
| Intraparencymal ICP sensor |
|
20 |
(35%) |
| GOSE score at 12 months |
57 |
|
|
| 1–2 |
|
1 |
(2%) |
| 3–4 |
|
6 |
(10%) |
| 5–6 |
|
19 |
(33%) |
| 7–8 |
|
31 |
(54%) |
| Motor function at 12 monthsc |
42 |
43.9 |
10.3 |
| Processing speed at 12 monthsc |
42 |
46.5 |
11.7 |
| Executive functions at 12 monthsc | 35 | 47.7 | 7.1 |
a
Age listed as mean and range.
b
GCS score is listed with median and ranges.
c
All neuropsychological test domains are listed as mean of T-scores with standard deviations. More details for what these tests consist of, see the Methods section.
TBI, traumatic brain injury; HISS, Head Injury Severity Scale;
GCS, Glasgow coma scale; ADC, apparent diffusion coefficient. FLAIR; fluid-attenuated inversion recovery;
ICP, intracranial pressure; GOSE, Glasgow Outcome Scale Extended.