Table II.
ED and injury characteristics in geriatric trauma patients
| Patient characteristics | Patients ≥65 N = 260,505 |
Age 65–74 N = 101,324 |
Age 75–84 N = 104,819 |
Age ≥85 N = 54,362 |
P value |
|---|---|---|---|---|---|
| ED parameters | |||||
| ED pulse >100 bpm | 32,017 (12.6%) | 14,322 (14.5%) | 11,987 (11.8%) | 5,708 (10.8%) | <.001 |
| ED SBP <110 mm Hg | 22,906 (9.0%) | 10,598 (10.8%) | 8,492 (8.3%) | 3,816 (7.2%) | <.001 |
| ED GCS <8 | 7,376 (3.0%) | 3,470 (3.6%) | 2,818 (2.9%) | 1,088 (2.2%) | <.001 |
| Injury parameters | |||||
| ISS, median (IQR) | 9.0 (5.0, 10.0) | 9.0 (4.0, 11.0) | 9.0 (5.0, 10.0) | 9.0 (5.0, 10.0) | <.001 |
| AIS Head ≥3 | 46,965 (18.2%) | 17,203 (17.1%) | 20,014 (19.3%) | 9,748 (18.1%) | <.001 |
| AIS Neck ≥3 | 8,282 (3.2%) | 3,237 (3.2%) | 3,347 (3.2%) | 1,698 (3.1%) | .7 |
| AIS Face ≥3 | 421 (0.2%) | 231 (0.2%) | 139 (0.1%) | 51 (0.1%) | <.001 |
| AIS Thorax ≥3 | 31,707 (12.2%) | 15,141 (15.0%) | 11,556 (11.1%) | 5,010 (9.2%) | <.001 |
| AIS Abdomen ≥3 | 6,004 (2.3%) | 2,896 (2.9%) | 2,193 (2.1%) | 915 (1.7%) | <.001 |
| AIS Extremity ≥3 | 68,072 (26.2%) | 21,946 (21.8%) | 28,790 (27.6%) | 17,336 (32.0%) | <.001 |
| Mechanisms of Injury | <.001 | ||||
| Blunt - Fall | 210,056 (80.6%) | 71,696 (70.8%) | 88,556 (84.5%) | 49,804 (91.6%) | |
| Blunt - MVT cyclist/pedestrian | 5,917 (2.3%) | 3,669 (3.6%) | 1,820 (1.7%) | 428 (0.8%) | |
| Blunt - MVT occupant | 32,335 (12.4%) | 18,090 (17.9%) | 11,070 (10.6%) | 3,175 (5.8%) | |
| Blunt - Other | 9,062 (3.5%) | 5,750 (5.7%) | 2,546 (2.4%) | 766 (1.4%) | |
| Penetrating - Gunshot wound | 1075 (0.4%) | 697 (0.7%) | 305 (0.3%) | 73 (0.1%) | |
| Penetrating - Other/Mixed | 416 (0.2%) | 283 (0.3%) | 102 (0.1%) | 31 (0.1%) | |
| Penetrating - Stab wound | 1644 (0.6%) | 1139 (1.1%) | 420 (0.4%) | 85 (0.2%) | |
| ED discharge disposition | <.001 | ||||
| Floor | 136,932 (54.7%) | 51,079 (52.4%) | 55,294 (55.0%) | 30,559 (58.4%) | |
| Observation unit | 8,721 (3.5%) | 3,620 (3.7%) | 3,459 (3.4%) | 1,642 (3.1%) | |
| Telemetry/step-down unit | 31,623 (12.6%) | 11,607 (11.9%) | 12,947 (12.9%) | 7,069 (13.5%) | |
| Operating room | 14,503 (5.8%) | 7.588 (7.8%) | 5,027 (5.0%) | 1,888 (3.6%) | |
| Intensive care unit | 58,487 (23.4%) | 23,532 (24.2%) | 23,816 (23.7%) | 11,139 (21.3%) |
AIS, Abbreviated Injury Score; ED, emergency department; GCS, Glasgow Coma Scale; ISS, Injury Severity Score; SBP, systolic blood pressure.