Table 2.

Unadjusted analysis for predictors of in-hospital mortality

	OR	95% CI	p value
Age
18 to 44	Reference
45 to 64	1.14	1.02 – 1.28	0.017
Sex (n=739,066)
Female	Reference
Male	1.58	1.37 – 1.82	< 0.001
Comorbidities
None	Reference
1	0.50	0.35 – 0.72	< 0.001
2 or more	0.45	0.31 – 065	< 0.001
Race (n=717,813)
White	Reference
Black	1.46	1.19 – 1.79	< 0.001
Other	0.95	0.75 – 1.15	0.47
ISS (n=718,161)
15 or less	Reference
16 to 24	5.46	3.71 – 8.04	< 0.001
Over 24	43.25	27.03 – 69.20	< 0.001
GCS (n=537,968)
14 to 15	Reference
9 to 13	7.04	4.54 – 10.90	< 0.001
3 to 8	76.61	50.30 – 116.67	< 0.001
HR 61 to 99 bpm (n=548,869)	0.26	0.23 – 0.30	<0.001
SBP < 90 (n=542,845)	5.67	4.63 – 6.94	< 0.001
Ventilator use	13.26	9.21 – 19.08	< 0.001
Mechanism
Blunt	Reference
Penetrating	3.11	2.48 – 3.89	< 0.001
Insurance status
Insured	Reference
Uninsured	1.65	1.41 – 1.92	< 0.001

ISS, injury severity score; GCS, Glasgow coma scale; HR, heart rate; bpm, beats per minute; SBP, systolic blood pressure, sample sizes in parenthesis indicate missing data