Table 2 Distribution and outcomes of each subset of patients with ARDS at initial diagnosis and after 24 h
Outcome | Group I | Group II | Group III | Group IV | P value |
|---|---|---|---|---|---|
SpO2/FiO2 ≥ 190 and PEEP < 10 | SpO2/FiO2 ≥ 190 and PEEP ≥ 10 | SpO2/FiO2 < 190 and PEEP < 10 | SpO2/FiO2 < 190 and PEEP ≥ 10 | ||
At onset of ARDS (N) | 87 | 43 | 100 | 226 | |
ICU mortality (%) | 19.5 | 23.3 | 18.0 | 30.1 | 0.042 |
In-hospital mortality (%) | 44.8 | 30.2 | 36.0 | 41.2 | 0.897 |
30-day mortality (%) | 27.6 | 27.9 | 24.0 | 33.2 | 0.276 |
90-day mortality (%) | 47.1 | 34.9 | 41.0 | 42.0 | 0.636 |
1-year mortality (%) | 60.9 | 41.9 | 47.0 | 49.6 | 0.182 |
VFD (days) (IQR) | 19 (7–24) | 22 (6.5–25) | 20.5 (6–25) | 18 (0–23) | 0.070 |
After 24 h (N) | 213 | 145 | 17 | 81 | |
ICU mortality (%) | 15.5 | 24.1 | 35.3 | 48.2 | < 0.001 |
In-hospital mortality (%) | 34.7 | 35.9 | 52.9 | 56.8 | < 0.001 |
30-day mortality (%) | 23.9 | 26.9 | 47.1 | 45.7 | < 0.001 |
90-day mortality (%) | 38.0 | 38.6 | 52.9 | 56.8 | 0.003 |
1-year mortality (%) | 47.4 | 45.5 | 58.8 | 65.4 | 0.006 |
VFD 28 (days) (IQR) | 23 (15–26) | 18 (0–23) | 6 (0–17) | 0 (0–17) | < 0.001 |