Table 4.
Risk factors for death within 90 days of the injury
| Crude | Adjusted | |||||
|---|---|---|---|---|---|---|
| OR | 95%-CI | p | OR | 95%-CI | p | |
| Gender | ||||||
| Males | 1.0 | ref | 1.0 | ref | ||
| Females | 1.84 | 1.14–2.98 | 0.01 | 0.84 | 0.48–1.46 | 0.55 |
| Age | ||||||
| 15–39 | 1.0 | ref | 1.0 | ref | ||
| 40–64 | 1.54 | 0.61–4.20 | 0.37 | 1.56 | 0.61–4.31 | 0.36 |
| 65–101 | 23.3 | 11.2–56.6 | < 0.005 | 25.7 | 11.8–64.8 | < 0.001 |
| Amputation | ||||||
| No | 1.0 | ref | 1.0 | ref | ||
| Yes | 6.28 | 2.69–12.94 | < 0.005 | 4.8 | 1.9–11.1 | < 0.001 |
| Length of stay | ||||||
| Unit per extra day | 1.00 | 0.97–1.02 | 0.89 | 0.98 | 0.95–1.00 | 0.07 |
| Mechanism of injury | ||||||
| Fall from standing height (n = 20) | 1.0 | ref | 1.0 | ref | ||
| Fall from height (n = 15) | 0.03 | 0.019–0.045 | 0.76 | 1.05 | 0.51–2.13 | 0.90 |
| Unprotected road-users (n = 14) | 0.46 | 0.22–0.91 | 0.026 | 0.83 | 0.38–1.76 | 0.63 |
| Car crash (n = 7) | 0.77 | 0.30–1.76 | 0.56 | 1.65 | 0.61–4.06 | 0.29 |
| Other vehicles/objects (n = 5) | 0.42 | 0.14–1.05 | 0.087 | 0.74 | 0.23–2.01 | 0.58 |
| Self-destructive injury (n = 2) | 0.75 | 0.12–2.63 | 0.70 | 1.64 | 0.25–6.39 | 0.53 |
| Else (n = 6) | 0.69 | 0.25–1.64 | 0.43 | 0.68 | 0.23–1.71 | 0.44 |
OR odds ratio, CI confidence interval, ref reference value (adjusted for sex, age, amputation, length of stay (LOS) and mechanism of injury), p p-value, n number of patients
Logistic Regression Analysis and Cox Regression Analysis of Risk factors