From: The counterintuitive effect of multiple injuries in severity scoring: a simple variable improves the predictive ability of NISS
Predictor
Odds Ratio
Std. Error
z
P of Wald test
95% CI
2 injuries vs. 1 injury
0.520
0.146
-2.33
0.02
0.300-0.902
3 injuries vs. 1 injury
0.174
0.044
-6.92
<0.01
0.106-0.286