Table 4

Logistic regression analysis of the risk of having an ISS of >15 in patients included in the study, AUROC 0.719 (95% CI 0.709 to 0.729)

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
45–540.690.610.78p<0.0010.830.730.95p=0.006
55–640.560.500.64p<0.0010.750.650.86p<0.001
65–740.510.440.58p<0.0010.750.650.86p<0.001
>750.300.270.34p<0.0010.610.530.69p<0.001
Gender MaleReference
Female0.730.670.79p<0.0010.970.891.07p=0.585
MOI Fall <2 mReferenceReference
Fall >2 m3.713.294.19p<0.0012.972.643.36p<0.001
RTC5.374.815.99p<0.0013.743.364.20p<0.001
Shooting/stabbing2.081.393.10p<0.0011.261.032.34p=0.035
Other2.171.832.59p<0.0011.631.361.97p<0.001
Type of rib fracture Other ribsReference
First rib3.853.404.36p<0.0012.642.333.00p<0.001
  • ISS, Injury Severity Score; MOI, mechanism of injury; RTC, road traffic collision.