Table 3

Logistic regression analysis of the risk of having polytrauma: patients were defined as having sustained polytrauma if they had at least one additional injury of AIS ≥3 outside of the chest region, AUROC (area under the receiver operating curve) = 0.712 (95% CI 0.701 to 0.722)

Covariates Unadjusted ORs Adjusted ORs
OR 95% CI for OR p Value OR 95% CI for OR p Value
Upper Lower Upper Lower
Age (years) 16–44Reference
45–540.560.530.68<0.0010.690.610.79<0.001
55–640.480.420.55<0.0010.610.530.70<0.001
65–740.440.380.50<0.0010.600.520.69<0.001
>750.310.280.35<0.0010.590.520.68<0.001
Gender MaleReference
Female0.860.790.94<0.0011.181.071.30<0.001
MOI Fall <2 mReference
Fall >2 m4.333.794.95<0.0013.733.274.27<0.001
RTC5.514.886.21<0.0014.083.604.64<0.001
Shooting/stabbing2.591.693.97<0.0011.951.263.02p=0.003
Other2.032.99<0.0011.951.592.39<0.001
Type of rib fracture Other ribsReference
First rib2.942.643.28<0.0012.011.802.25<0.001
  • AIS, Abbreviated Injury Score; MOI, mechanism of injury; RTC, road traffic collision.