Table 5.

Results of Sensitivity Analyses on Mortality After Isolated Traumatic Brain Injury Associated With Blood Alcohol Concentration, Stratified by Penetrating Injury, Among Adult Admissions (n = 1,084), R Adams Cowley Shock Trauma Center, Baltimore, Maryland, 1997–2012

BAC Category, g/dL	NonPenetrating Injuries (n = 899)		Penetrating Injuries (n = 185)
	Adjusteda OR	95% CI	Adjusteda OR	95% CI
Negative	1.00	Referent	1.00	Referent
>0	1.46	0.88, 2.41	0.30	0.14, 0.65
<0.05	2.55	0.93, 7.04	1.14	0.21, 6.35
≥0.05	1.30	0.76, 2.24	0.22	0.10, 0.52
<0.1	2.67	1.25, 5.73	0.47	0.15, 1.53
≥0.1	1.13	0.63, 2.03	0.24	0.10, 0.59
<0.15	2.42	1.26, 4.64	0.32	0.13, 0.80
≥0.15	0.99	0.52, 1.89	0.28	0.10, 0.83
<0.2	2.25	1.25, 4.02	0.39	0.17, 0.90
≥0.2	0.78	0.36, 1.67	0.10	0.02, 0.52
<0.25	1.83	1.06, 3.16	N/Ab	N/Ab
≥0.25	0.79	0.32, 1.96	N/Ab	N/Ab
<0.3	1.60	0.95, 2.69	N/Ab	N/Ab
≥0.3	0.80	0.23, 2.78	N/Ab	N/Ab

Abbreviations: BAC, blood alcohol concentration; CI, confidence interval; N/A, not applicable; OR, odds ratio.

^a All models were adjusted for age, sex, race, and alcohol dependence disorder.

^b Questionable model fit.