Table 1.
Patient Characteristics
| TBI patients n = 130 | TBI patients with MAP-2 available n = 109 | |
|---|---|---|
| Mean age (years) | 38 (SD 15) | 38 (SD 15) |
| (range) | (18–83) | (18–83) |
| Gender (male) | 102 (79%) | 88 (81%) |
| Race | ||
| Asian | 1 (< 1%) | 1 (1%) |
| Black | 19 (15%) | 17 (16%) |
| Hispanic | 23 (18%) | 18 (17%) |
| White | 85 (65%) | 71 (65%) |
| Other/unknown | 2 (2%) | 2 (2%) |
| Hospital length of stay | 31 (SD 27) | 31 (SD 24) |
| Rotterdam CT score& | ||
| 1 | 1 (1%) | 1 (1%) |
| 2 | 29 (22%) | 25 (23%) |
| 3 | 43 (33%) | 36 (33%) |
| 4 | 28 (22%) | 25 (23%) |
| 5 | 25 (19%) | 18 (17%) |
| 6 | 4 (3%) | 4 (4%) |
| Marshall Classification | ||
| Diffuse Injury I | 2 (2%) | 2 (2%) |
| Diffuse Injury II | 48 (37%) | 41 (38%) |
| Diffuse Injury III | 32 (24%) | 26 (24%) |
| Diffuse Injury IV | 6 (5%) | 6 (6%) |
| Evacuated Mass Lesion | 25 (19%) | 19 (17%) |
| Non-evacuated Mass Lesion | 17 (13%) | 15 (14%) |
| Dichotomized post-resuscitation GCS Score | ||
| GCS 3–5 | 62 (48%) | 51 (47%) |
| GCS 6–8 | 68 (52%) | 58 (53%) |
| Post-resuscitation GCS Motor Score | ||
| 1 | 45 (35%) | 37 (34%) |
| 2 | 10 (8%) | 8 (7%) |
| 3 | 8 (6%) | 7 (6%) |
| 4 | 15 (12%) | 12 (11%) |
| 5 | 47 (36%) | 41 (38%) |
| 6 | 5 (4%) | 4 (4%) |
| Pupils | ||
| Both reactive | 86 (66%) | 74 (68%) |
| One reactive | 12 (9%) | 10 (9%) |
| None reactive | 32 (25%) | 25 (23%) |
| Pre-hospital hypoxia | 52 (41%) | 44 (41%) |
| Pre-hospital hypotension | 13 (10%) | 9 (8%) |
| Mortality at 6 months | 35 | 30 |
*
Percentages are rounded and may not add up to 100%.
&
The Rotterdam CT (computed tomography) score was developed for prognostic purposes in traumatic brain injury (TBI) to determine the risk for mortality. It is based on CT findings of basal cistern compression, midline shift, presence of an epidural hematoma, and the presence of either intraventricular blood and/or traumatic subarachnoid hemorrhage.
SD, standard deviation; GCS, Glasgow Coma Scale.