Table 2.
Patient Characteristics and Outcomes by Acute Respiratory Distress Syndrome group
| Variables | Total (27,385) |
Alive without ARDS (25,168) |
ARDS (1,594) |
Dead without ARDS (623) |
P-value | |
|---|---|---|---|---|---|---|
| Characteristics | ||||||
| Age (years) | 37 (24–51) | 36 (23–50) | 46 (27–61) | 49 (26–75) | <0.001 | |
| Sex (Male) | 19,174 (70.0) | 17,489 (69.5) | 1,249 (78.4) | 436 (70.0) | <0.001 | |
| Race (White) | 16,770 (61.2) | 15,252 (60.6) | 1,099 (68.9) | 419 (66.6) | <0.001 | |
| Blood alcohol content (>0 mg/dL) |
7,585 (27.7) | 6,965 (27.7) | 468 (29.4) | 152 (24.4) | 0.002 | |
| Injury Mechanism | ||||||
| Blunt | 23,792 (86.9) | 21,911 (87.1) | 1,391 (87.3) | 490 (78.7) | ||
| Penetrating | 3,373 (12.3) | 3,065 (12.2) | 179 (11.2) | 129 (20.7) | ||
| Crush | 197 (0.7) | 169 (0.6) | 24 (1.5) | 4 (0.6) | <0.001 | |
| Burn | 7 (0.0) | 7 (0.0) | 0 | 0 | ||
| Ingestion | 1 (0.0) | 1 (0.0) | 0 | 0 | ||
| Other | 15 (0.1) | 15 (0.1) | 0 | 0 | ||
| Injury Scores | ||||||
| ISS | 9 (4–17) | 6 (4–14) | 27 (19–36) | 34 (26–45) | <0.001 | |
| Thorax AIS | 0 (0–1) | 0 (0–1) | 3 (0–4) | 2 (0–4) | <0.001 | |
| ASCOT | 0.99 (0.97–0.99) | 0.99 (0.98–.099) | 0.88 (0.53–0.97) | 0.20 (0.05–0.53) | <0.001 | |
| TRISS | 0.99 (0.97–1.00) | 0.99 (0.98–1.00) | 0.89 (0.66–0.96) | 0.35 (0.11–0.71) | <0.001 | |
| RTS | 7.8 (7.8-7.8) | 7.8 (7.8-7.8) | 7.6 (5.9–7.8) | 4.1 (3–10) | <0.001 | |
| Admission GCS | 15 (15-15) | 15 (15-15) | 14 (7–15) | 4 (3–10) | <0.001 | |
| Disposition | ||||||
| Length of Stay (Days) | 0.9 (0.3–4.1) | 0.7 (0.2–3.5) | 17.3 (10.0–27.5) | 0.7 (0.2–3.0) | <0.001 | |
| Mechanical Ventilation (Days) N= 6,139 |
2 (1–9) | 2 (1–4) | 11 (2–20) | 2 (1–4) | <0.001 | |
| Home | 21,099 (77.1) | 20,892 (83.0) | 207 (13.0) | 0 | ||
| Acute Care | 5,200 (19.0) | 4,120 (16.4) | 1,080 (67.8) | 0 | ||
| Chronic Carea | 89 (0.2) | 82 (0.3) | 7 (0.4) | 0 | <0.001 | |
| Other | 79 (0.3) | 74 (0.3) | 5 (0.3) | 0 | ||
| Death | 918 (3.4) | 0 | 295 (18.5) | 623 (100) | ||
a
Chronic care constitutes skilled nursing facility and long term acute care.
Continuous values were presented as medians with interquartile ranges, and categorical values were presented as numbers with %.
ISS = injury severity score; AIS = abbreviated injury score; ASCOT = a severity characterization of trauma; TRISS = trauma injury severity score; RTS = revised trauma score; GCS = Glasgow Coma Score