Table 3. Summary of the logistic regression model.

Regression function = -2.899 + (GCS * -0.228) + (Age * 0.031) + (ISS * 0.040) + (Lactate * 0.216) + (Base excess * -0.043) + (pH * -0.091)

GCS, Glasgow Coma Scale; ISS, Injury Severity Score

	β coefficient	Wald statistics	p-Value	OR (95% CI)
GCS	-0.228	175.2	<0.001	0.796 (0.770 to 0.824)
Age	0.031	89.5	<0.001	1.032 (1.025 to 1.039)
ISS	0.040	73.3	<0.001	1.041 (1.031 to 1.050)
Lactate	0.216	32.9	<0.001	1.241 (1.153 to 1.336)
Base excess	-0.043	3.4	0.065	0.958 (0.915 to 1.003)
pH	-0.091	0.02	0.899	0.913 (0.223 to 3.732)
Constant	-2.899	0.3	0.586	NA