Table 4.
Adjusted and Unadjusted Odds Ratios for Mortality After Isolated Traumtic Brain Injury Associated With Blood Alcohol Concentration Among Admitted Adults (n = 1,084), R Adams Cowley Shock Trauma Center, Baltimore, Maryland, 1997–2012
| BAC Category, g/dL | No. | % | Unadjusted | Adjusteda | ||
|---|---|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | |||
| Negative | 797 | 74 | 1.00 | Referent | 1.00 | Referent |
| >0 | 287 | 26 | 0.62 | 0.44, 0.88 | 0.80 | 0.55, 1.16 |
| <0.05 | 29 | 3 | 1.77 | 0.82, 3.80 | 1.73 | 0.79, 3.81 |
| ≥0.05 | 252 | 4 | 0.53 | 0.37, 0.77 | 0.69 | 0.46, 1.03 |
| <0.10 | 64 | 6 | 1.22 | 0.70, 2.13 | 1.40 | 0.78, 2.50 |
| ≥0.10 | 223 | 21 | 0.48 | 0.24, 0.83 | 0.63 | 0.40, 0.97 |
| <0.15 | 109 | 10 | 1.00 | 0.63, 1.58 | 1.27 | 0.78, 2.06 |
| ≥0.15 | 178 | 16 | 0.43 | 0.27, 0.69 | 0.54 | 0.33, 0.89 |
| <0.20 | 152 | 14 | 1.03 | 0.70, 1.53 | 1.32 | 0.86, 2.02 |
| ≥0.20 | 135 | 12 | 0.26 | 0.14, 0.48 | 0.32 | 0.17, 0.62 |
| <0.25 | 205 | 19 | 0.81 | 0.56, 1.17 | 1.06 | 0.71, 1.57 |
| ≥0.25 | 82 | 8 | 0.23 | 0.10, 0.53 | 0.27 | 0.11, 0.65 |
| <0.30 | 244 | 23 | 0.71 | 0.50, 1.01 | 0.92 | 0.63, 1.35 |
| ≥0.30 | 43 | 4 | 0.22 | 0.07, 0.71 | 0.25 | 0.08, 0.84 |
Abbreviations: BAC, blood alcohol concentration; CI, confidence interval; OR, odds ratio.
a All models were adjusted for age, sex, race, and alcohol dependence disorder.