All patients (N = 70) | Pathogen-proven ARDS group (N = 50) | Pathogen-unproven ARDS group (N = 20) | p | |
---|---|---|---|---|
Therapy | ||||
Neuromuscular blocking agents | 12 (17) | 8 (16) | 4 (20) | 0.732 |
Corticosteroid therapy | 29 (41) | 20 (40) | 9 (45) | 0.791 |
Prone position | 5 (7) | 3 (6) | 2 (10) | 0.619 |
Hemodialysis | 21 (30) | 15 (30) | 6 (30) | 1.000 |
VA ECMO | 5 (7) | 4 (8) | 1 (5) | 1.000 |
VV ECMO | 12 (17) | 11 (22) | 1 (5) | 0.158 |
Tracheostomy | 28 (40) | 20 (40) | 8 (40) | 1.000 |
Appropriate antibiotic therapy for causative pathogens within day 3 | – | 48 (96) | – | – |
Outcome | ||||
Ventilator-free days of 28 days | 16 (0–20) | 18 (7–20) | 4 (0–22) | 0.112 |
ICU-free days of 28 days | 13 (0–16) | 13 (5–16) | 1 (0–15) | 0.034 |
ICU mortality | 15 (21) | 5 (10) | 10 (50) | 0.0006 |
Hospital-free days of 28 days | 0 (0–6) | 0 (0–6) | 0 (0–7) | 0.613 |
Hospital mortality | 20 (29) | 9 (18) | 11 (55) | 0.0038 |