Table 3 Injury patterns and clinical outcomes of patients who visited the emergency department with two-wheeled vehicle-related injuries
Variable | Bicycle | Motorcycle | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Younger | Elderly | Total | p-value | Younger | Elderly | Total | p-value | |||||||
Number of patients | 50,376 | 15,272 | 65,648 | 70,563 | 17,292 | 87,855 | ||||||||
Injury pattern | ||||||||||||||
Region of injury | ||||||||||||||
Head and neck | 11,178 | 22.2% | 5927 | 38.8% | 17,105 | 26.1% | 20,099 | 28.5% | 8931 | 51.6% | 29,030 | 33.0% | ||
Face | 5153 | 10.2% | 1397 | 9.1% | 6550 | 10.0% | 6062 | 8.6% | 2364 | 13.7% | 8426 | 9.6% | ||
Chest | 5786 | 11.5% | 2782 | 18.2% | 8568 | 13.1% | 11,607 | 16.4% | 5044 | 29.2% | 16,651 | 19.0% | ||
Abdomen and pelvic contents | 438 | 0.9% | 178 | 1.2% | 616 | 0.9% | 1559 | 2.2% | 479 | 2.8% | 2038 | 2.3% | ||
External | 35,174 | 69.8% | 9592 | 62.8% | 44,766 | 68.2% | 50,788 | 72.0% | 11,110 | 64.2% | 61,898 | 70.5% | ||
pelvic girdle | 361 | 0.7% | 302 | 2.0% | 663 | 1.0% | 968 | 1.4% | 386 | 2.2% | 1354 | 1.5% | ||
Upper extremities | 17,342 | 34.4% | 3316 | 21.7% | 20,658 | 31.5% | 22,452 | 31.8% | 4832 | 27.9% | 27,284 | 31.1% | ||
Lower extremities | 11,471 | 22.8% | 3962 | 25.9% | 15,433 | 23.5% | 32,737 | 46.4% | 5673 | 32.8% | 38,410 | 43.7% | ||
Spine | 2546 | 5.1% | 1345 | 8.8% | 3891 | 5.9% | 5185 | 7.3% | 1209 | 7.0% | 6394 | 7.3% | ||
Number of fractures | 28,025 | 9331 | 37,356 | 45,524 | 14,894 | 60,418 | ||||||||
Fracture site | ||||||||||||||
Skull | 950 | 3.4% | 504 | 5.4% | 1454 | 3.9% | 1910 | 4.2% | 955 | 6.4% | 2865 | 4.7% | ||
Face | 4405 | 15.7% | 1275 | 13.7% | 5680 | 15.2% | 5518 | 12.1% | 2210 | 14.8% | 7728 | 12.8% | ||
Spine | 3366 | 12.0% | 1556 | 16.7% | 4922 | 13.2% | 6665 | 14.6% | 1784 | 12.0% | 8449 | 14.0% | ||
Rib, sternum | 2369 | 8.5% | 1334 | 14.3% | 3703 | 9.9% | 4840 | 10.6% | 2834 | 19.0% | 7674 | 12.7% | ||
Scapula | 1433 | 5.1% | 369 | 4.0% | 1802 | 4.8% | 1831 | 4.0% | 690 | 4.6% | 2521 | 4.2% | ||
Clavicle | 2725 | 9.7% | 357 | 3.8% | 3082 | 8.3% | 2616 | 5.7% | 776 | 5.2% | 3392 | 5.6% | ||
Humerus | 797 | 2.8% | 220 | 2.4% | 1017 | 2.7% | 884 | 1.9% | 293 | 2.0% | 1177 | 1.9% | ||
Forearm | 7605 | 27.1% | 1406 | 15.1% | 9011 | 24.1% | 9691 | 21.3% | 1781 | 12.0% | 11,472 | 19.0% | ||
Hand | 1724 | 6.2% | 293 | 3.1% | 2017 | 5.4% | 2260 | 5.0% | 527 | 3.5% | 2787 | 4.6% | ||
Pelvic ring | 256 | 0.9% | 233 | 2.5% | 489 | 1.3% | 598 | 1.3% | 274 | 1.8% | 872 | 1.4% | ||
Acetabulum | 72 | 0.3% | 58 | 0.6% | 130 | 0.3% | 266 | 0.6% | 99 | 0.7% | 365 | 0.6% | ||
Femur | 817 | 2.9% | 1034 | 11.1% | 1851 | 5.0% | 1764 | 3.9% | 768 | 5.2% | 2532 | 4.2% | ||
Patellar | 3 | 0.0% | 1 | 0.0% | 4 | 0.0% | 15 | 0.0% | 2 | 0.0% | 17 | 0.0% | ||
Tibia/fibula | 1012 | 3.6% | 547 | 5.9% | 1559 | 4.2% | 4437 | 9.7% | 1490 | 10.0% | 5927 | 9.8% | ||
Foot | 491 | 1.8% | 144 | 1.5% | 635 | 1.7% | 2229 | 4.9% | 411 | 2.8% | 2640 | 4.4% | ||
ISS | 7.1 ± 8.9 | 10.5 ± 12.3 | 7.9 ± 9.9 | 0.001 | 9.8 ± 11.2 | 14.1 ± 14.7 | 10.6 ± 12.1 | 0.001 | ||||||
ISS ≥ 16 | 6297 | 12.5% | 3467 | 22.7% | 9764 | 14.8% | 0.001 | 14,747 | 20.9% | 5741 | 33.2% | 20,488 | 23.2% | 0.001 |
ED disposition | ||||||||||||||
Discharge | 39,093 | 77.6% | 8734 | 57.2% | 47,827 | 72.9% | 48,527 | 68.8% | 6850 | 39.6% | 55,377 | 63.0% | ||
Transfer | 1365 | 2.7% | 715 | 4.7% | 2080 | 3.2% | 2874 | 4.1% | 1326 | 7.7% | 4200 | 4.8% | ||
ICU admission | 1234 | 2.4% | 1177 | 7.7% | 2411 | 3.7% | 3675 | 5.2% | 2480 | 14.3% | 6155 | 7.0% | ||
GW admission | 8449 | 16.8% | 4471 | 29.3% | 12,920 | 19.7% | 14,738 | 20.9% | 6301 | 36.4% | 21,039 | 23.9% | ||
Death | 82 | 0.2% | 143 | 0.9% | 225 | 0.3% | 546 | 0.8% | 304 | 1.8% | 850 | 1.0% | ||
Others | 129 | 0.3% | 26 | 0.2% | 155 | 0.2% | 178 | 0.3% | 22 | 0.1% | 200 | 0.2% | ||