Results of univariate logistic analysis of various demographic and clinical variables unadjusted and adjusted for ISS on death
| Variable | Odds (unadjusted) | p value | Odds (adjusted for ISS) | p value | n |
|---|---|---|---|---|---|
| ISS | 1.11 | < 0.001 | — | — | 784 |
| BP, mm Hg (systolic) | 0.98 | < 0.001 | 0.98 | < 0.001 | 710 |
| BP < 100, mm Hg (systolic) | 4.82 | < 0.001 | 4.12 | < 0.001 | 662 |
| GCS | 0.65 | < 0.001 | 0.68 | < 0.001 | 460* |
| Self inflicted, yes/no | 4.27 | < 0.001 | 5.44 | < 0.001 | 784 |
| Age, 5-y groups | 1.08 | 0.001 | 1.09 | < 0.001 | 777 |
| Age > 45 y | 1.83 | 0.001 | 1.99 | < 0.001 | 777 |
| Intentional, yes/no | 1.90 | 0.015 | 1.92 | 0.035 | 784 |
| Home, yes/no | 1.42 | 0.019 | 1.66 | 0.002 | 782 |
| Police shooting, yes/no | 0.37 | 0.031 | 0.20 | 0.005 | 784 |
| Rural, yes/no | 0.66 | 0.04 | 0.74 | 0.18 | 709* |
| Sex, M:F | 1.55 | 0.19 | 1.40 | 0.33 | 782 |
| Blood alcohol, yes/no | 1.18 | 0.39 | 1.39 | 0.11 | 472* |
| Injury month | 0.98 | 0.30 | 0.98 | 0.48 | 778 |
| Street, yes/no | 1.10 | 0.58 | 0.98 | 0.90 | 782 |
| Handgun, yes/no | 0.97 | 0.87 | 0.94 | 0.72 | 784 |
| Long gun, yes/no | 0.98 | 0.91 | 1.16 | 0.41 | 784 |
BP = blood pressure; F = female; GCS = Glasgow Coma Scale; ISS = Injury Severity Score; M = male.
↵* Numbers were imputed with a multiple regression technique described in Methods.