Inspiratory positive airway pressure 10/expiratory positive airway pressure 4
| Oxygen flow rate in L·min−1 | PO2 at site 1 | PO2 at site 2 | PO2 at site 3 | PO2 at site 4 |
| 1 | 1.66±0.57 | 1.82±0.51 | 1.41±0.41 | 3.03±0.41 |
| 5 | 5.92±2.02 | 6.76±1.94 | 5.02±1.61 | 10.3±1.93 |
| 15 | 18.31±5.80 | 17.46±5.65 | 10.81±2.62 | 26.03±5.69 |
Data are presented as mean±SD. PO2: oxygen arterial pressure.