Table 1.
Baseline characteristics of study subjects.
| Characteristics | LRM Group (n = 60) | Control Group (n = 60) | p Value |
|---|---|---|---|
| Age, mean (SD) | 66.8 (16.1) | 63.7 (20.8) | 0.37 |
| Female sex | 15 (25.0) | 16 (26.7) | 0.84 |
| APACHE II score, mean (SD) | 20.4 (5.8) | 21.5 (6.0) | 0.33 |
| MODS, mean (SD) | 8.3 (2.5) | 9.0 (2.7) | 0.18 |
| PaO2/FiO2, mean (SD) | 133.4 (47.0) | 129.7 (42.0) | 0.66 |
| Tidal volume, mL/kg of ideal body weight, mean (SD) | 8.7 (2.1) | 8.4 (1.8) | 0.37 |
| Minute ventilation, mean (SD) | 11.0 (3.9) | 10.9 (3.4) | 0.86 |
| Total respiratory rate, mean (SD) | 22 (6) | 23 (7) | 0.36 |
| Cause of lung injury | |||
| Pneumonia (%) | 52 (86.7) | 46 (76.7) | |
| Non-pulmonary sepsis (%) | 4 (6.7) | 8 (13.3) | |
| Multiple transfusion (%) | 0 (0) | 2 (3.3) | |
| Acute pancreatitis (%) | 2 (3.3) | 2 (3.3) | |
| Others (%) | 2 (3.3) | 2 (3.3) |
SD standard deviation, APACHE Acute Physiology and Chronic Health Evaluation, MODS multiple organ dysfunction syndrome, PaO2 partial pressure of arterial oxygen, FiO2 fraction of inspired oxygen.