Odds ratio of ISS ⩾9 | 95% Confidence interval | p Value | |
---|---|---|---|
*Analysis performed on 451 cases with sufficient data for variables in the analysis. | |||
†Adjusted for impact speed and age as ordinal categorical variables. | |||
Vehicle class | |||
Passenger vehicle | Reference | – | – |
LTV | 1.8 | 0.99 to 3.34 | 0.05 |
Van | 1.5 | 0.76 to 3.04 | 0.24 |
Speed category (km/h) | |||
⩽20 | Reference | – | – |
21–30 | 2.8 | 1.5 to 5.2 | 0.001 |
31–40 | 9.5 | 5.0 to 17.9 | <0.0001 |
41–50 | 15.3 | 6.6 to 35.7 | <0.0001 |
>50 | 55.5 | 21.6 to 142.4 | <0.0001 |
Age category | |||
Children | Reference | – | – |
Adults | 1.5 | 0.8 to 2.7 | 0.15 |