Patient’s characteristics stratified by age groups
| 61–70 years (n=1145) | 71–80 years (n=803) | P value* | >80 years (n=680) | P value† | |
| Male gender, n (%) | 832 (73) | 484 (60) | <0.01 | 317 (47) | <0.01 |
| SPB, mm Hg | 140 (120–160) | 145 (123–166) | <0.01 | 150 (125–170) | <0.01 |
| GCS | 15 (13–15) | 15 (13–15) | 0.42 | 15 (13–15) | 0.56 |
| BD, mmol/L | 1.75 (0.10–3.90) | 1.50 (−0.40–3.80) | 0.10 | 1.70 (−0.10–4.00) | 0.68 |
| PPS-ASA | 2 (1–3) | 3 (2–3) | <0.01 | 3 (2–3) | <0.01 |
| ISS | 17 (10–26) | 17 (10–26) | 0.11 | 17 (10–25) | 0.63 |
| Penetrating injury, n (%) | 57 (5) | 25 (3) | 0.04 | 10 (2) | <0.01 |
| Patients transfused, n (%) | 76 (7) | 46 (6) | 0.42 | 41 (6) | 0.61 |
| Ps | 0.83 | 0.84 | 0.15 | 0.86 | 0.38 |
| LOS ICU, days | 2 (1–5) | 2 (1–4) | 0.06 | 2 (0–3) | <0.01 |
| TTA, n (%) | 807 (71) | 479 (60) | <0.01 | 341 (50) | <0.01 |
| In patients with ISS >15 | 438/648 (68) | 278/484 (57) | <0.01 | 191/373 (51) | <0.01 |
| Mortality, n (%) | 115 (10) | 127 (16) | <0.01 | 178 (26) | <0.01 |
| In patients with ISS >15 | 109/648 (17) | 116/484 (24) | <0.01 | 140/371 (38) | <0.01 |
Values are median and IQR when not stated otherwise.
*61–70 versus 71–80.
†61–70 versus >80.
BD, base deficit; GCS, Glasgow Coma Scale; ISS, Injury Severity Score; LOS ICU, length of stay in the intensive care unit; PPA-ASA, preinjury physical status according to the American Society of Anesthesiologists classification system; Ps, probability of survival; SBP, systolic blood pressure; TTA, trauma team activation.