Table 2 Characteristics of the trauma patients used to validate the BATT score
N = 104,862 | Missing | |
|---|---|---|
Mean age (SD) | 62 (24) | 0 |
< 18, N (%) | 5616 (5) | – |
18–44, N (%) | 19,744 (19) | – |
45–64, N (%) | 26,354 (25) | – |
65–74, N (%) | 13,123 (13) | – |
≥75, N (%) | 40,025 (38) | – |
Sex female, N (%) | 47,346 (45) | 0 |
Penetrating injury, N (%) | 3189 (3) | 0 |
Circumstances, N (%) | 0 | |
Motor vehicle crash | 19,709 (19) | – |
Fall less than 2 m | 65,573 (62) | – |
Fall more than 2 m | 10,604 (10) | – |
Blast – Blow – Crush | 5266 (5) | – |
Shooting | 234 (0) | – |
Stabbing | 2538 (2) | – |
Other | 1938 (2) | – |
First systolic blood pressure, mean (SD) | 138 (28) | 12,450 (12) |
First systolic blood pressure < 90 mmHg, N (%) | 3033 (3) | |
First Glasgow coma scale, N (%) | 12,695 (12) | |
14–15 | 90,579 (86) | – |
9–13 | 8566 (8) | – |
3–8 | 5717 (6) | – |
First heart rate, mean (SD) | 86 (20) | 11,479 (11) |
Heart rate > 120 bpm, N (%) | 5475 (5) | |
Time from injury to ambulance arrival < 3 h, N (%) | 79,430 (76) | 50,496 (48) |
Time from injury to hospital admission < 3 h, N (%) | 63,246 (60) | 50,465 (48) |
Injury Severity Score, mean (SD) | 16 (9) | 0 |
ISS 9–15, N (%) | 58,695 (56) | – |
ISS 16–24, N (%) | 24,635 (23) | – |
ISS 25–34, N (%) | 17,682 (17) | – |
ISS ≥ 35, N (%) | 3850 (4) | – |
Tranexamic acid treatment | 9915 (9) | 13,115 (13) |
Prehospital | 5185 (5) | – |
Hospital | 4576 (4) | – |
Unknown | 176 (0.1) | |
Any blood product received | 4922 (5) | 0 |
Massive transfusion protocol activated | 2487 (2) | – |
Blood received within 6 h of injury | 2277 (2) | – |