ORs of BTBPIs caused by motor vehicles and BTBPI crash details
| Crash details | |||||||||||||||
| Vehicle | All injuries | BTBPI (%) | OR | 95% CI | p-value | Age Median (IQR) | Male (%) | Night (%) | Season (%) | Alcohol related (%) | ISS Median (IQR) | ||||
| LL | UL | Winter | Spring | Summer | Fall | ||||||||||
| MVC | 5734 | 22 (0.4) | Ref | – | – | – | 32 (19) | 82 | 55 | 23 | 27 | 27 | 18 | 50 | 17.0 (17) |
| ATVC | 1590 | 10 (0.6) | 1.64 | 0.7 | 3.5 | 0.190 | 24 (20) | 90 | 20 | 0 | 50 | 30 | 20 | 30 | 33.5 (18) |
| SMC | 1367 | 24 (1.8) | 4.64 | 2.5 | 8.3 | <0.001 | 39 (12) | 92 | 38 | 79 | 21 | 0 | 0 | 38 | 14.0 (10) |
| MCC | 1260 | 7 (0.6) | 1.45 | 0.6 | 3.2 | 0.390 | 32 (34) | 86 | 29 | 0 | 14 | 43 | 43 | 43 | 17.0 (5) |
| Shielded | 5734 | 22 (0.4) | Ref | – | – | – | 32 (19) | 82 | 55 | 23 | 27 | 27 | 18 | 50 | 17.0 (17) |
| Unshielded | 4217 | 41 (1) | 2.55 | 1.52 | 4.29 | <0.001 | 38 (20) | 90 | 32 | 46 | 27 | 15 | 12 | 36 | 17.0 (14) |
| Total | 9951 | 63 (0.6) | – | – | – | – | 35 (19) | 87 | 40 | 38 | 27 | 19 | 16 | 41 | 17.0 (14) |
Bolded values have a p-value <0.05, which was considered statistically significant.
ATVC, all-terrain vehicle crash; BTBPI, blunt traumatic brachial plexus injuries; ISS, Injury Severity Score; LL, lower limit; MCC, motorcycle crash; MVC, motor vehicle crash; Ref, reference category; SMC, snowmobile crash; UL, upper limit.