Kjellberg et al
| Mild (7 patients) | Moderate (9 patients) | Severe (4 patients) | |
|---|---|---|---|
| Gestational age (weeks) | 27.63 | 27.11 | 25.46 |
| Birthweight (kg) | 1.122 | 1.014 | 0.724 |
| V/Q: 0.6–1.4 Left lung (%) | 52.9 | 45.8 | 36.8 |
| V/Q: 0.6–1.4 Right lung (%) | 53.2 | 46.8 | 37.9 |
| Compliance (ml/cm H2O/kg) | 1.01 | 0.67 | 0.59 |