Table 1 Baseline demographics and outcome of 940 patients with acute respiratory distress syndrome
From: Estimated dead space fraction and the ventilatory ratio are associated with mortality in early ARDS
Survivors n = 646 | Non survivors n = 294 | p-value | |
|---|---|---|---|
Demographics | |||
Age (years) | 61 (49–71) | 63 (53–72) | 0.03 |
Male (%) | 399 (62.0) | 182 (62.0) | 1.00 |
BMI (kg/m2) | 25.4 (23–28) | 25.2 (22–30) | 0.77 |
APACHE IV score | 76 (60–97) | 94 (77–122) | < 0.01 |
Underlying medical illness—no of patients (%) | |||
Immunodeficiency | 111 (17.2) | 67 (22.8) | 0.05 |
Chronic respiratory insufficiency | 58 (9.0) | 30 (10.2) | 0.60 |
Liver cirrhosis | 8 (1.2) | 11 (3.8) | 0.02 |
Arterial hypertension | 201 (31.0) | 82 (28.0) | 0.31 |
Diabetes mellitus | 101 (15.6) | 48 (16.3) | 0.83 |
COPD | 75 (11.6) | 33 (11.6) | 1.00 |
ARDS etiology—no of patients (%) | |||
Pneumonia | 372 (57.6) | 163 (55.4) | 0.55 |
Aspiration | 65 (10.0) | 29 (10.0) | 1.00 |
Sepsis | 385 (59.6) | 192 (65.3) | 0.08 |
Pancreatitis | 14 (2.4) | 8 (2.8) | 0.64 |
Trauma | 85 (13.0) | 22 (7.5) | 0.01 |
Outcome | |||
Days of MV | 7 (3–16) | 5 (2–9) | < 0.01 |