Table 1.
Characteristics of 173 patients at the initial measurement of thermodilution technique
| ARDSexp | ARDSp | p value | |
|---|---|---|---|
| n = 56 | n = 117 | ||
| Age (year), median | 65 | 72 | .03 |
| Male, n (%) | 32 (57) | 84 (72) | .05 |
| Causes of ARDS, n (%) | |||
| Sepsis | 40 (71) | ||
| Trauma and burn | 10 (18) | ||
| Pancreatitis | 4 (7) | ||
| TRALI | 2 (4) | ||
| Pneumonia | 94 (80) | ||
| Aspiration | 20 (17) | ||
| Lung contusion | 2 (2) | ||
| Inhalation burn | 1 (1) | ||
| APACHE II score | 24 ± 9 | 23 ± 8 | .39 |
| SOFA score | 12 ± 4 | 10 ± 3 | .0001 |
| PEEP (cmH2O) | 9 ± 5 | 9 ± 5 | .36 |
| PaO2/FiO2 ratio | 163 ± 73 | 143 ± 70 | .09 |
| Mean airway pressure (cmH2O) | 17 ± 6 | 17 ± 4 | .55 |
| Na (mmol/L) | 135 ± 19 | 138 ± 7 | .37 |
| K (mmol/L) | 4.1 ± 0.8 | 4.0 ± 0.9 | .15 |
| Albumin (g/dL) | 2.4 ± 0.5 | 2.6 ± 0.8 | .02 |
| Glucose (mg/dL) | 159 ± 61 | 165 ± 83 | .95 |
| Blood urea nitrogen (mg/dL) | 38 ± 28 | 36 ± 25 | .84 |
Values are given as mean ± standard deviation, unless otherwise indicated. ARDS acute respiratory distress syndrome, ARDSexp acute respiratory distress syndrome secondary to extrapulmonary cause, ARDSp acute respiratory distress syndrome secondary to pulmonary cause, TRALI transfusion-related acute lung injury, APACHE Acute Physiologic and Chronic Health Evaluation, SOFA Sequential Organ Failure Assessment, PEEP positive end-expiratory pressure.