Table 1.
Demographic and clinical characteristics of ARDS patients
| Characteristic | Value (n = 121) |
|---|---|
| Age, years | 61.0 (43.5–69.0) |
| Male sex | 84 (69.4) |
| Current smokers | 35 (28.9) |
| ARDS risk factor | |
| Sepsis | 71 (58.7) |
| Pneumonia | 22 (18.2) |
| Aspiration | 12 (11.6) |
| Acute pancreatitis | 16 (15.7) |
| Vasopressors use at admission | 36 (29.8) |
| Coexisting conditions | |
| Hypertension | 33 (27.3) |
| Diabetes | 16 (13.2) |
| Coronary heart disease | 11 (9.1) |
| Cerebrovascular disease | 15 (12.4) |
| Chronic renal disease | 20 (16.5) |
| COPD or asthma | 11 (9.1) |
| Cancer | 11 (9.1) |
| Laboratory values on diagnosis of ARDS | |
| WBC count, × 109/L | 12.7 (10.14–17.5) |
| Hematocrit, % | 28.0 (23.5–34.1) |
| Platelet count, × 109/L | 174 (92.5–259) |
| Serum bilirubin, μmol/L | 26.3 (12.5–49.8) |
| Serum creatinine, μmol/L | 120.6 (69.5–173.9) |
| Serum albumin, g/L | 29.4 (27.3–31.95) |
| APACHE II score | 25 (21–29) |
| No. of organ failures | 2 (0–3) |
| Lowest PaO2/FiO2 ratio | 170.4 (124.0–257.0) |
| Berlin categories | |
| Mild | 44 (36.4) |
| Moderate | 56 (46.3) |
| Severe | 21 (17.4) |
| Days in ICU | 16.0 (10.0–29.5) |
| Ventilator-free days | 12.0 (7.0–21.0) |
| Death in hospital | 33 (27.3) |
Continuous variables are presented as median (interquartile range); categorical variables are presented as No.(%)
ARDS Acute respiratory distress syndrome, WBC white blood cell, APACHE II Acute Physiology and Chronic Health Evaluation II, No. of organ failures includes only non-pulmonary organ failures; ICU intensive care unit