Table 2 Cox regression analyses of parameters potentially associated with risk of death within 30-days of trauma
From: Traumatic brain injury—the effects of patient age on treatment intensity and mortality
Univariate | Multivariate | |||||
|---|---|---|---|---|---|---|
OR | 95% CI | p-value | OR | 95% CI | p-value | |
Age | 1.03 | 1.02 to 1.04 | < 0.001 | 1.00 | 1.00 to 1.00 | < 0.001 |
Sex | ||||||
Female | — | — | — | — | ||
Male | 0.85 | 0.62 to 1.19 | 0.35 | 1.02 | 0.99 to 1.05 | 0.20 |
Preinjury ASA | ||||||
Healthy | — | — | — | — | ||
Moderate disease | 1.58 | 1.02 to 2.43 | 0.038 | 0.99 | 0.96 to 1.03 | 0.75 |
Severe disease | 3.57 | 2.45 to 5.27 | < 0.001 | 1.06 | 1.02 to 1.10 | 0.004 |
Life-threatening | 3.82 | 0.84 to 12.8 | 0.045 | 1.09 | 0.95 to 1.25 | 0.20 |
Management intensity | ||||||
0 | — | — | — | — | ||
1 | 8.82 | 5.93 to 13.3 | < 0.001 | 1.06 | 1.02 to 1.10 | 0.005 |
2 | 2.79 | 1.71 to 4.50 | < 0.001 | 0.91 | 0.87 to 0.95 | < 0.001 |
3 | 4.60 | 2.74 to 7.62 | < 0.001 | 0.82 | 0.77 to 0.87 | < 0.001 |
TBI severity | ||||||
Mild | — | — | — | — | ||
Moderate | 3.77 | 1.57 to 11.2 | 0.007 | 1.03 | 0.99 to 1.06 | 0.11 |
Severe | 30.4 | 13.7 to 86.4 | < 0.001 | 1.23 | 1.17 to 1.28 | < 0.001 |
Rotterdam CT score | ||||||
1,2 | — | — | — | — | ||
3 | 2.00 | 1.17 to 3.53 | 0.013 | 1.00 | 0.97 to 1.03 | 0.85 |
4 | 9.16 | 5.05 to 17.1 | < 0.001 | 1.19 | 1.13 to 1.26 | < 0.001 |
5 | 28.0 | 15.5 to 52.5 | < 0.001 | 1.48 | 1.39 to 1.57 | < 0.001 |
6 | 111 | 50.1 to 268 | < 0.001 | 1.86 | 1.71 to 2.02 | < 0.001 |