Table 2.
Characteristics and Outcomes of Older Adult Assault Victims (aged ≥60) Treated at U.S. Trauma Centers from 2008–2012, Stratified by Age Category
| Age 60– 64 (n=1,671) |
Age 65– 74 (n=1,185) |
Age 75– 84 (n=458) |
Age 85+ (n=250) |
P value | |
|---|---|---|---|---|---|
| Male gender | 88% | 80% | 66% | 63% | <0.001 |
| Age (years), mean ± SD | 62 ± 1 | 68 ± 3 | 79 ± 3 | 87 ±1 | -- |
| Race | <0.001 | ||||
| White | 47% | 55% | 64% | 48% | |
| Black or African | 35% | 29% | 20% | 26% | |
| American | |||||
| Other race | 18% | 16% | 16% | 25% | |
| Drug and/or alcohol use | 37% | 26% | 12% | 25% | <0.001 |
| Any alcohol use | 28% | 18% | 9% | 17% | <0.001 |
| Any drug use | 17% | 11% | 5% | 13% | <0.001 |
| Functionally dependent health status |
0.2% | 0.5% | 0.3% | 0.7% | 0.58 |
| ≥3 concomitant medical conditions |
10% | 13% | 12% | 8% | 0.03 |
| Injury severity score (ISS), median (IQR) |
9 (4 – 16) | 9 (4 – 17) | 9 (4 – 17) | 9 (4 – 16) | 0.35 |
| Severe trauma (ISS≥16) | 33% | 35% | 35% | 30% | 0.27 |
| In-hospital mortality | 6% | 7% | 12% | 15% | <0.001 |
| Hospital length of stay (days), median (IQR) |
3 (2 – 7) | 4 (2 – 8) | 4 (2 – 8) | 4 (1 – 7) | <0.001 |
| ICU stay | 37% | 42% | 40% | 39% | 0.03 |
| ICU length of stay (days), median (IQR) |
3 (2 – 7) | 3 (2 – 8) | 3 (2 – 7) | 3 (1 – 8) | 0.59 |
| Number of injuries, median (IQR) |
3 (2 – 5) | 3 (2 – 5) | 3 (2 – 5) | 3 (2 – 5) | 0.31 |
| Surgeries performed | |||||
| Laparotomy | 6% | 7% | 2% | 9% | 0.001 |
| Thoracotomy | 1% | 2% | 0.5% | 2% | 0.07 |
| Craniotomy | 1% | 0.4% | 0.2% | 0% | 0.11 |
| Type of injury | <0.001 | ||||
| Blunt | 54% | 51% | 51% | 41% | |
| Burn | 0.3% | 0.5% | 0.2% | 0% | |
| Penetrating | 34% | 34% | 28% | 22% | |
| Other/unspecified | 13% | 15% | 21% | 37% | |
| Traumatic brain injury | 32% | 35% | 40% | 37% | 0.008 |
| Body region(s) injured | <0.001 | ||||
| Head | 26% | 27% | 30% | 26% | |
| Face | 33% | 29% | 27% | 24% | |
| Neck | 2% | 2% | 2% | 2% | |
| Thorax | 11% | 11% | 9% | 12% | |
| Abdomen | 7% | 8% | 6% | 10% | |
| Spine | 2% | 3% | 4% | 3% | |
| Upper extremity | 10% | 10% | 12% | 15% | |
| Lower extremity | 6% | 7% | 6% | 5% | |
| Unspecified | 3% | 3% | 3% | 2% | |
| ≥3 body regions injured | 59% | 59% | 59% | 67% | 0.19 |
| Trauma-associated diagnosis(es) | 0.002 | ||||
| Fractures | 39% | 37% | 36% | 31% | |
| Internal organ | 27% | 29% | 29% | 31% | |
| Open wounds | 28% | 28% | 29% | 31% | |
SD denotes standard deviation; IQR, interquartile range; ICU, intensive care unit.