Table 1.
Characteristics of the 2,354 major trauma patients with complete data of all included variables
| n | 2,354 |
|---|---|
| Characteristic | Mean (± SD) or No (%) |
| Basic patient data (P) | |
| Age (years) | 41.6 ± 19.9 |
| Male sex | 1,741 (74.0) |
| Pre-existing disease | 805 (34.2) |
| Prehospital (A) | |
| Blunt trauma | 2,264 (96.2) |
| Intubation rate | 1,359 (57.7) |
| Peripheral oxygen saturation (SpO2, %) | 93.0 ± 8.3 |
| Chest tube insertion rate | 148 (6.3) |
| Systolic blood pressure (mmHg) | 119.7 ± 30.1 |
| Pulse rate (beats/min) | 94.6 ± 21.1 |
| CCCM rate | 31 (1.3) |
| Amount of volume substitution (ml) | 1452.9 ± 942.0 |
| GCS on-scene (points) | 11.1 ± 4.5 |
| Rate of anisocoria | 384 (16.3) |
| Trauma Room/In hospital (B) | |
| Oxygen saturation (SpO2, %) | 97.1 ± 4.8 |
| Systolic blood pressure (mmHg) | 122.6 ± 28.3 |
| Pulse rate (beats/min) | 90.2 ± 19.6 |
| Haemoglobin concentration (g/dL) | 11.6 ± 2.6 |
| Base excess | -3.2 ± 4.2 |
| Thromboplastin time (%) | 77.8 ± 22.0 |
| GCS on admission (points) | 7.6 ± 5.4 |
| Rate of anisocoria | 319 (13.6) |
| CCCM rate | 70 (3.0) |
| Transfusion rate | 800 (34.0) |
| Rate of massive blood transfusion until ICU (≥ 10 PRBC) | 208 (8.8) |
| Emergency operation rate (interruption of trauma room diagnostics) | 136 (5.8) |
| ISS (points) | 26.8 ± 13.0 |
| NISS (points) | 32.8 ± 15.4 |
| AIS head ≥ 3 | 1,166 (49.5) |
| AIS thorax ≥ 3 | 1,321 (56.1) |
| AIS abdomen ≥ 3 | 476 (20.2) |
| AIS extremities ≥ 3 | 985 (41.8) |
| Overall mortality rate | 305 (13.0) |
CCCM closed chest cardiac massage; GCS Glasgow Coma Scale; ICU Intensive care unit; PRBC packed red blood cells; ISS Injury severity score; NISS New injury severity score; AIS abbreviated injury scale