Clinical outcomes among patients with motorcycle- and automobile-related injuries
| Characteristic | No. of (%) patients injured in motorcycle crashes n = 26 257 | No. of (%) patients injured in automobile crashes n = 276 760 | p value* |
|---|---|---|---|
| Level of care | |||
| Emergency department visit only | 23 123 (88.1) | 265 020 (95.8) | < 0.001 |
| Required hospital admission | 3123 (11.9) | 11 740 (4.2) | < 0.001 |
| Required ICU admission | 606 (2.3) | 3018 (1.1) | < 0.001 |
| ISS | |||
| < 9 | 23 753 (90.5) | 268 765 (97.1) | < 0.001 |
| 9–15 | 1539 (5.9) | 4348 (1.6) | |
| 16–24 | 668 (2.5) | 2238 (0.8) | |
| ≥ 25 | 297 (1.1) | 1409 (0.5) | |
| Severe injuries (AIS ≥ 3), overall and by body region | |||
| Any severe injury | 1493 (5.7) | 4621 (1.7) | < 0.001 |
| Head | 58 (0.2) | 440 (0.2) | 0.02 |
| Face | NR | NR | 0.52 |
| Neck | NR | NR | 0.88 |
| Thorax | 347 (1.3) | 1173 (0.4) | < 0.001 |
| Abdomen | 53 (0.2) | 198 (0.07) | < 0.001 |
| Spine | 36 (0.1) | 390 (0.1) | 0.87 |
| Upper extremity | 396 (1.5) | 830 (0.3) | < 0.001 |
| Lower extremity | 600 (2.3) | 1568 (0.6) | < 0.001 |
| Missing | NR | NR | – |
Note: AIS = Abbreviated Injury Scale, ED = emergency department, ICU = intensive care unit, ISS = Injury Severity Score, NR = small cell sizes not reportable according to privacy guidelines at the Institute for Clinical Evaluative Sciences.
↵* p values were calculated using χ2 tests.