Table 3.

Logistic regression model for in-hospital mortality in head trauma patients

Characteristic	Odds ratio	95% Confidence interval	p-value
Age (Increment of 5 years)	1.22	1.09–1.36	<0.001
Injury Severity Score (Increment of 5)	1.28	0.86–1.91	0.23
Number of ABGs Measured	1.15	0.98–1.37	0.10
FiO2 at time of ABG (Increment of 10%)	0.88	0.69–1.12	0.29
Maximum PaO2 (Increment of 1 fold)	1.55	0.79–3.02	0.20