Table 2.
Injury Characteristics of Admissions aged 65 and Older to the R Adams Cowley Shock Trauma Center 2008–2012 with Traumatic Brain Injury by Sex, n=1,843
| Total, n=1,843 | Women, n=882 | Men, n=961 | p-value1 | |
|---|---|---|---|---|
| Admission GCS2, n(%) | 0.002 | |||
| 14–15 | 1,349 (73) | 649 (74) | 700 (73) | |
| 9–13 | 247 (13) | 136 (15) | 111 (12) | |
| 3–8 | 247 (13) | 97 (11) | 150 (16) | |
| AIS, head, n(%) | 0.02 | |||
| 1 | 377 (20) | 173 (20) | 204 (21) | |
| 2 | 98 (5) | 52 (6) | 46 (5) | |
| 3 | 312 (17) | 166 (19) | 146 (15) | |
| 4 | 688 (37) | 338 (38) | 350 (36) | |
| ≥5 | 368 (20) | 153 (17) | 215 (22) | |
| Amended ISS3 | 0.52 | |||
| <9 | 1,356 (74) | 655 (74) | 701 (73) | |
| ≥9 | 487 (26) | 227 (26) | 260 (27) | |
| Other injury location, n(%) | ||||
| None | 536 (29) | 251 (28) | 285 (30) | 0.57 |
| Spine | 351 (19) | 158 (18) | 193 (20) | 0.24 |
| Thorax | 362 (20) | 155 (18) | 207 (22) | 0.03 |
| Abdomen | 204 (11) | 99 (11) | 105 (11) | 0.84 |
| Lower extremities | 422 (23) | 211 (24) | 211 (22) | 0.32 |
| Severity other injuries, n(%) | .60 | |||
| No other injury | 536 (29) | 251 (28) | 285 (30) | |
| Minor/moderate injury | 778 (42) | 383 (43) | 395 (41) | |
| Serious injury | 529 (29) | 248 (28) | 281 (29) | |
| Transport direct from scene, n(%) | 990 (53) | 464 (53) | 526 (55) | 0.36 |
| Cause of injury, n(%) | <0.001 | |||
| Motor vehicle collision | 328 (18) | 135 (15) | 193 (20) | |
| Falls | 1,417 (77) | 729 (83) | 688 (72) | |
| Assault | 68 (4) | 11 (1) | 57 (6) | |
| Other injuries | 30 (2) | 7 (<1) | 23 (2) | |
1
P-value from Chi-square goodness of fit, Student’s t-test or Wilcoxon rank sum test;
2
Glasgow Coma Scale score;
3
Amended Injury Severity Score (ISS) calculated by subtracting the square of the maximum Abbreviated Injury Scale score from the ISS.