Table 4 Injury patterns and clinical outcomes of patients who were hospitalized with two-wheeled vehicle-related injuries
Variable | Variable | Variable | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Younger | Elderly | Total | p-value | Younger | Elderly | Total | p-value | |||||||
Number of patients | Number of patients | Number of patients | Number of patients | Number of patients | Number of patients | Number of patients | Number of patients | Number of patients | Number of patients | Number of patients | Number of patients | Number of patients | Number of patients | Number of patients |
In-admission injury pattern | ||||||||||||||
Region of injury | ||||||||||||||
Head and neck | 4725 | 48.8% | 3692 | 65.4% | 8417 | 54.9% | 9855 | 53.5% | 6440 | 73.3% | 16,295 | 59.9% | ||
Face | 1660 | 17.1% | 625 | 11.1% | 2285 | 14.9% | 3685 | 20.0% | 1458 | 16.6% | 5143 | 18.9% | ||
Chest | 2735 | 28.2% | 1728 | 30.6% | 4463 | 29.1% | 6605 | 35.9% | 3955 | 45.0% | 10,560 | 38.8% | ||
Abdomen and pelvic contents | 360 | 3.7% | 147 | 2.6% | 507 | 3.3% | 1530 | 8.3% | 483 | 5.5% | 2013 | 7.4% | ||
External | 4344 | 44.9% | 2233 | 39.5% | 6577 | 42.9% | 9447 | 51.3% | 3945 | 44.9% | 13,392 | 49.2% | ||
pelvic girdle | 314 | 3.2% | 255 | 4.5% | 569 | 3.7% | 860 | 4.7% | 386 | 4.4% | 1246 | 4.6% | ||
Upper extremities | 4247 | 43.9% | 1391 | 24.6% | 5638 | 36.8% | 7937 | 43.1% | 3082 | 35.1% | 11,019 | 40.5% | ||
Lower extremities | 2964 | 30.6% | 2044 | 36.2% | 5008 | 32.7% | 11,914 | 64.7% | 3783 | 43.1% | 15,697 | 57.7% | ||
Spine | 1394 | 14.4% | 913 | 16.2% | 2307 | 15.0% | 2821 | 15.3% | 1082 | 12.3% | 3903 | 14.4% | ||
Number of fractures in hospitalization patients | 10,973 | 5796 | 16,769 | 25,751 | 11,138 | 36,889 | ||||||||
Fracture site | ||||||||||||||
Skull | 637 | 5.8% | 371 | 6.4% | 1008 | 6.0% | 1394 | 5.4% | 678 | 6.1% | 2072 | 5.6% | ||
Face | 1531 | 14.0% | 574 | 9.9% | 2105 | 12.6% | 3450 | 13.4% | 1349 | 12.1% | 4799 | 13.0% | ||
Spine | 1750 | 15.9% | 1141 | 19.7% | 2891 | 17.2% | 3652 | 14.2% | 1664 | 14.9% | 5316 | 14.4% | ||
Rib, sternum | 1402 | 12.8% | 900 | 15.5% | 2302 | 13.7% | 3323 | 12.9% | 2252 | 20.2% | 5575 | 15.1% | ||
Scapula | 652 | 5.9% | 213 | 3.7% | 865 | 5.2% | 1178 | 4.6% | 516 | 4.6% | 1694 | 4.6% | ||
Clavicle | 1093 | 10.0% | 237 | 4.1% | 1330 | 7.9% | 1553 | 6.0% | 598 | 5.4% | 2151 | 5.8% | ||
Humerus | 329 | 3.0% | 137 | 2.4% | 466 | 2.8% | 501 | 1.9% | 201 | 1.8% | 702 | 1.9% | ||
Forearm | 1306 | 11.9% | 428 | 7.4% | 1734 | 10.3% | 2386 | 9.3% | 924 | 8.3% | 3310 | 9.0% | ||
Hand | 424 | 3.9% | 166 | 2.9% | 590 | 3.5% | 1287 | 5.0% | 400 | 3.6% | 1687 | 4.6% | ||
Pelvic ring | 206 | 1.9% | 163 | 2.8% | 369 | 2.2% | 469 | 1.8% | 257 | 2.3% | 726 | 2.0% | ||
Acetabulum | 89 | 0.8% | 81 | 1.4% | 170 | 1.0% | 344 | 1.3% | 113 | 1.0% | 457 | 1.2% | ||
Femur | 586 | 5.3% | 817 | 14.1% | 1403 | 8.4% | 1391 | 5.4% | 622 | 5.6% | 2013 | 5.5% | ||
Patellar | – | 0.0% | – | 0.0% | – | 0.0% | 7 | 0.0% | – | 0.0% | 7 | 0.0% | ||
Tibia/fibula | 693 | 6.3% | 446 | 7.7% | 1139 | 6.8% | 3168 | 12.3% | 1173 | 10.5% | 4341 | 11.8% | ||
Foot | 275 | 2.5% | 122 | 2.1% | 397 | 2.4% | 1648 | 6.4% | 391 | 3.5% | 2039 | 5.5% | ||
ISS | 16.3 ± 15.0 | 19.2 ± 16.4 | 17.3 ± 15.6 | 0.001 | 19.1 ± 16.4 | 21.6 ± 17.8 | 19.9 ± 16.9 | 0.001 | ||||||
ISS ≥ 16 | 717 | 7.4% | 980 | 17.0% | 1697 | 9.6% | 0.001 | 2301 | 12.5% | 2353 | 26.8% | 4654 | 15.2% | 0.001 |
Clinical outcomes | ||||||||||||||
Hospital LOS (hours) | 336.8 ± 385.5 | 485.2 ± 543.0 | 391.4 ± 455.6 | 0.001 | 452.0 ± 543.55 | 529.6 ± 598.6 | 477.1 ± 563.1 | 0.001 | ||||||
Hospital death | 121 | 1.2% | 238 | 4.1% | 359 | 2.1% | 0.001 | 317 | 1.7% | 418 | 3.8% | 735 | 2.7% | 0.001 |