Table 1 Characteristics of patients with acute respiratory distress syndrome
All (N = 148) | Standard-of-care group (N = 62) | BI-assisted group (N = 86) | p value | |
|---|---|---|---|---|
Male | 97 (65.5%) | 44 (71%) | 53 (61.6%) | 0.238 |
Age, years | 68.1 ± 15.1 | 68.6 ± 15.4 | 67.7 ± 14.9 | 0.709 |
Age ≥ 65 | 84 (56.8%) | 36 (58.1%) | 48 (55.8%) | 0.785 |
BW, kg | 61.2 ± 12.8 | 62.2 ± 13.5 | 60.5 ± 12.2 | 0.410 |
BMI, kg/m2 | 23.0 ± 4.1 | 23.4 ± 4.1 | 22.7 ± 4.1 | 0.288 |
Comorbidities | ||||
Cancer | 63 (42.6%) | 22 (35.5%) | 41 (47.7%) | 0.139 |
Modified Charlson score | 5 (3–7) | 5 (4–8) | 5 (4–6) | 0.970 |
Severity of illness | ||||
APACHE II score | 29 (23–35) | 29 (21.8–35) | 28.5 (23–35) | 0.855 |
Shock | 111 (75%) | 24 (64.9%) | 62 (55.9%) | 0.336 |
ARDS etiology | 0.150 | |||
Viral pneumonia | 4 (2.7%) | 1 (1.6%) | 3 (3.5%) | |
Bacterial pneumonia | 73 (49.3%) | 28 (45.2%) | 45 (52.3%) | |
Fungal pneumonia | 27 (18.2%) | 14 (22.6%) | 13 (15.1%) | |
Aspiration | 12 (8.1%) | 8 (12.9%) | 4 (4.7%) | |
Pneumonia of other etiology | 15 (10.1%) | 3 (4.8%) | 12 (14%) | |
Extrapulmonary | 17 (11.5%) | 8 (12.9%) | 9 (10.5%) | |
ARDS severity at diagnosis | 0.908 | |||
Mild | 26 (17.6%) | 10 (16.1%) | 16 (18.6%) | |
Moderate | 74 (50%) | 31 (50%) | 43 (50%) | |
Severe | 48 (32.4%) | 21 (33.9%) | 27 (31.4%) | |