Table 1. Comparison of epidemiological characteristics, prehospital, and emergency room data between survivors and non-survivors.
| Survivors | Non-survivors | p | |
|---|---|---|---|
| Age years | 26.8 ±10.8 | 34.7 ±14.9 | 0.041 |
| Male, n (%) | 16 (72.72) | 22 (75.86) | 1 |
| Associated injuries*, n (%) | 22 (100) | 27 (93.1) | |
| ISS (Injury Severity Score) | 38 [29-66] | 41 [25-75] | 0.142 |
| NISS (New Injury Severity Score) | 43 [32-66] | 50 [25-75] | 0.088 |
| Extrapelvic injury justifying shock, n (%) | 17 (77.3) | 22 (75.9) | 1 |
| Prehospital transport time, minutes | 38.2 (±16.5) | 50.3 (±50.8) | 0.454 |
| Survivors | Non-survivors | p | |
| Prehospital intubation, n (%) | 4 (26.7) | 15 (68.2) | 0.032 |
| HR, bpm | 133.9 (±16) | 121 (±29) | 0.054 |
| SBP, mmHg | 91.2 (±34.5) | 77.6 (±37.6) | 0.192 |
| Glasgow Coma Scale, points | 14 [3-15] | 6.5 [3-15] | 0.049 |
| pH | 7.2 (±0.1) | 7.2 (±0.1) | 0.418 |
| Base deficit, mmol/l | -10.5 (±3.3) | -12.6 (±6.9) | 0.436 |
| Arterial lactate, mg/dl* | 39.6 (±32.6) | 62.1 (±33.5) | 0.16 |
| Hb, mg/dl | 9.8 (2) | 9.6 (2.6) | 0.852 |
| Tranexamic acid <3h, n (%) | 16 (72.7) | 20 (69) | 0.768 |
| Temporary immobilization, n (%) | 17 (81) | 20 (71.4) | 0.666 |
| patients, n | 22 | 29 |
*Reference values in the HC-FMUSP laboratory: 4.5 to 14.4mg/dl; bpm: beats per minute; Hb: hemoglobin; HR: heart rate; n: number of patients; SBP: systolic blood pressure.