TABLE 1.
Clinical Features and Outcomes of Adult and Elderly Trauma Patients Initially Admitted to an ICU
| Characteristics | Total (n = 48,340) | Adult (n = 24,397) | Elderly (n = 23,943) | p |
|---|---|---|---|---|
| Demographic characteristics | ||||
| Female sex, n (%) | 19,334 (40.00) | 6,824 (27.97) | 12,510 (52.25) | < 0.001 |
| Charlson Comorbidity Index, median (IQR) | 3 (0–5) | 0 (0–2) | 4 (4–5) | < 0.001 |
| Injury mechanism | ||||
| Blunt, n (%) | 46,564 (96.33) | 22,746 (93.23) | 23,818 (99.48) | < 0.001 |
| Penetrating, n (%) | 1,606 (3.32) | 1,524 (6.25) | 82 (0.34) | < 0.001 |
| Burn, n (%) | 170 (0.35) | 127 (0.52) | 43 (0.18) | < 0.001 |
| Injury severity | ||||
| Injury Severity Score, median (IQR) | 12 (9,17) | 14 (9,19) | 10 (9,17) | < 0.001 |
| Trauma and Injury Severity Score, median (IQR) | 0.965 (0.939–0.983) | 0.983 (0.952–0.993) | 0.959 (0.934–0.968) | < 0.001 |
| Clinical outcomes | ||||
| Unplanned ICU readmission, n (%) | 1,826 (3.78) | 687 (2.82) | 1,139 (4.76) | < 0.001 |
| Hospital mortality, n (%) | 1,073 (2.22) | 196 (0.80) | 877 (3.66) | < 0.001 |
| Hospital length of stay among survivors, median (IQR) | 5 (3–9) | 5 (3–10) | 5 (3–8) | < 0.001 |
IQR = interquartile range.