Table 1.
Demographic and Injury-Related Characteristics
| Characteristic | Died during the study period | Alive at the end of the study period | Full sample |
|---|---|---|---|
| Number of cases | 1325 | 5588 | 6913 |
| Age at injury (mean and SD) | 72.4 (22.3) | 51.4 (22.0) | 55.4 (23.5) |
| Sex | |||
| Male | 65.7% | 64.7% | 64.9% |
| Female | 34.3% | 35.3% | 35.1% |
| Race | |||
| Non-Hispanic White | 84.4% | 79.2% | 80.2% |
| Black | 6.47% | 10.1% | 9.4% |
| Hispanic origin | 4.6% | 7.5% | 6.9% |
| Asian/Pacific Islander | 4.5% | 3.3% | 3.5% |
| Cause of Injury | |||
| Vehicular | 19.6% | 42.3% | 37.9% |
| Fall | 72.9% | 41.4% | 47.4% |
| Violence | 3.7% | 7.7% | 6.9% |
| Pedestrian | 3.1% | 5.4% | 5.0% |
| Sports | 0.1% | 1.7% | 1.4% |
| Other (including falling object) | 0.6% | 1.6% | 1.4% |
| Glasgow Coma Scale score at emergency department (ED) admission (mean and SD) | 13.0 (4.7) | 11.5 (4.2) | 11.7 (4.3) |
| Severe (3–8) | 10.5% | 22.4% | 20.2% |
| Moderate (9–12) | 11.3% | 10.0% | 10.3% |
| Mild (13–15) | 69.1% | 48.1% | 52.0% |
| Sedated | 9.2% | 19.4% | 17.5% |
| Days of post-traumatic amnesia (mean and SD) | 18.7 (27.8) | 19.5 (16.2) | 19.4 (17.4) |
| Days of unconsciousness(mean and SD) | 3.6 (13.2) | 5.3 (9.7) | 5.0 (10.1) |
| Functional Independence Measure (FIM) Motor Subscale score at rehabilitation discharge (mean and SD) | 54.3 (28.5) | 67.7 (15.9) | 65.1 (18.3) |
| FIM Cognitive Subscale score at rehabilitation discharge (mean and SD) | 21.3 (10.7) | 24.5 (6.1) | 23.9 (6.8) |
| Disability Rating Scale score at rehabilitation discharge | 8.3 (6.7) | 5.9 (3.2) | 6.3 (3.8) |