Table 4.
Hospital length of stay, TRISS, 30-day mortality and discharge destination (transferred patients excluded)
| n | TTR 152 |
HTR 324 |
p value |
|---|---|---|---|
| HLOS (days) | 26.3 ± 36.1 | 12.4 ± 10.3 | 0.003 |
| ICU-LOS (days) (if treated in ICU) | 14.3 ± 17.5 | 8.5 ± 7.3 | 0.044 |
| Ventilation days (if ventilated) | 10.7 ± 15.3 | 6.6 ± 6.3 | 0.288 |
| TRISS | 81.1 ± 26.2 | 79.2 ± 25.5 | |
| Expected mortalitya | 18.9% | 20.8% | |
| 30-day in-hospital crude mortality | 14.5% | 13.6% | 0.904 |
| 30-day adjusted mortalityb | 0.762 (OR 1.13; 95% CI 0.64–1.99) | ||
| Differencec (SMRd) | − 4.4% (0.77) | − 7.2% (0.65) | > 0.05 |
| Step-down hospital | 18.1% | 58.0% | < 0.001 |
| Rehabilitation | 16.4% | 6.2% | < 0.001 |
| Home | 50.7% | 20.7% | < 0.001 |
| Other/unknown | 0 | 1.5% | 0.332 |
Statistically significant values are in bold
HTR Helsinki Trauma Registry, TTR Tallinn Trauma Registry, HLOS hospital length of stay, ICU-LOS intensive care unit length of stay, SMR standard mortality ratio
a100.0%-TRISS
bAdjusted for AIS abdomen ≥ 3, bicycle accident, non-ground level falls
c30-day crude (observed) mortality–expected mortality
d30-day crude (observed) mortality/expected mortality