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Table 3 Regression coefficients of the variable expressing the number of injuries

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

  1. The model includes NISS with fractional polynomial transformation and the dependent variable is mortality
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