Table 2. Patient Demographics/Outcomes by ARDS severity.
| Mild ARDS n=67 |
Moderate ARDS n=86 |
Severe ARDS n=50 |
p-value | |
|---|---|---|---|---|
| Age (years) | 45 (27-60) | 41 (27-54) | 36 (27-52) | 0.18 |
| Male gender | 88% | 77% | 86% | 0.16 |
| BMI (kg/m2) | 27 +/- 5 | 28 +/- 7 | 28 +/- 5 | 0.78 |
| Blunt mechanism (%) | 79% | 88% | 84% | 0.32 |
| Uninsured (%) | 19% | 21% | 32% | 0.23 |
| ED GCS | 10 (5-14) | 8 (4-11) | 7 (3-14) | 0.37 |
| Admit SBP <90 mm Hg (%) | 7% | 12% | 24% | 0.29 |
| Admit HR >110 BPM (%) | 48% | 49% | 36% | 0.45 |
| ISS | 29 (22-34) | 34 (25-43) | 30 (25-45) | 0.04 |
| Head AIS | 4 (2-5) | 5 (2-5) | 5 (0-5) | 0.15 |
| Chest AIS | 2 (0-3) | 3 (0-4) | 3 (0-4) | 0.12 |
| Any chest injury (AIS>0), n (%) | 36 (54%) | 54 (63%) | 36 (66%) | 0.35 |
| Any severe chest injury (AIS≥3), n (%) | 28 (42%) | 47 (55%) | 28 (56%) | 0.20 |
| Any rib fracture(s), n (%) | 24 (36%) | 44 (52%) | 24 (48%) | 0.15 |
| Intubated on admission day (%) | 62 (93%) | 84 (98%) | 49 (98%) | 0.30 |
| Any TBI, n (%) | 46 (67%) | 59 (69%) | 32 (64%) | 0.84 |
| Any transfusion within 6h, n (%) | 40 (62%) | 59 (69%) | 38 (78%) | 0.20 |
| Any transfusion within 24h, n (%) | 42 (64%) | 65 (76%) | 41 (84%) | 0.05 |
*
Data are mean +/- SD, median (inter-quartile range), or n (%) as indicated. Data for skewed variables reported as median with inter-quartile ranges. Injury Severity Score (ISS); Abbreviated injury score (AIS), traumatic brain injury (TBI).