Table 4.
New Injury Severity Score (NISS) + Polytrauma + Revised Trauma Score (RTS)
| Variable | Category | Coefficient | OR (95 % CI) | P-value |
|---|---|---|---|---|
| New Injury Severity Score (NISS) | 0.08 | 1.08 (1.07, 1.09) | <0.001 | |
| Polytrauma (reference no polytrauma) | 0.68 | 1.98 (1.53, 2.54) | <0.001 | |
| Revised Trauma Score (RTS) | −0.80 | 0.45 (0.42, 0.49) | <0.001 | |
| Age | 18–44 | 1 (reference) | ||
| 45–54 | 0.25 | 1.29 (0.82–2.01) | 0.272 | |
| 55–64 | 0.94 | 2.56 (1.77–3.71) | <0.001 | |
| 65–69 | 1.36 | 3.90 (2.46–6.18) | <0.001 | |
| 70–74 | 1.40 | 4.04 (2.57–6.34) | <0.001 | |
| 75–84 | 2.07 | 7.95 (5.58–11.32) | <0.001 | |
| 85 and above | 2.58 | 13.26 (9.13–19.25) | <0.001 | |
| Gender (reference female) | 0.15 | 1.17 (0.94,1.45) | 0.167 | |
| Charlson Comorbidity index | 0 | 1 (reference) | ||
| 1 | 0.04 | 1.04 (0.80–1.35) | 0.786 | |
| 2 | 0.62 | 1.86 (1.33–2.60) | <0.001 | |
| 3 | 1.20 | 3.31 (2.03–5.38) | <0.001 | |
| 4 or more | 1.24 | 3.47 (1.85–6.51) | <0.001 | |
| Constant | −0.72 | 0.49 (0.25–0.95) | 0.034 |
Abbreviations: CI 95 % confidence interval, OR odds ratio, NISS New Injury Severity Score, RTS Revised Trauma Score