IPAP: 20 cmH2O; EPAP 5 cmH2O; position: seated | IPAP: 20 cmH2O; EPAP 5 cmH2O; position: supine | p-value | |
Oronasal mask: Hospital Fullface | |||
Pressure mmHg | 47.6±29.0 | 42.4±24.6 | 0.017 |
Air-leak L·min−1 | 1.6±2.8 | 0.9±1.8 | 0.046 |
VAS mm | 36.2±21.1 | 36.4±20.2 | 0.795 |
Oronasal mask: Quattro Air | |||
Pressure mmHg | 61.7±30.2 | 56.6±27.2 | 0.004 |
Air-leak L·min−1 | 2.0±2.6 | 1.4±2.0 | 0.389 |
VAS mm | 22.9±13.6 | 23.4±12.7 | 0.683 |
Oronasal mask: Comfort Gel | |||
Pressure mmHg | 91.9±42.4 | 79.1±36.2 | <0.001 |
Air-leak L·min−1 | 0.8±1.2 | 1.2±2.3 | 0.673 |
VAS mm | 44.8±22.0 | 47.5±22.5 | 0.132 |
Nasal mask: Easy life | |||
Pressure mmHg | 54.5±31.8 | 50.4±27.8 | 0.001 |
Air-leak L·min−1 | 0.6±1.4 | 1.1±2.5 | 0.462 |
VAS mm | 25.7±21.8 | 21.5±16.7 | 0.123 |
Data are presented as mean±sd, unless otherwise stated. IPAP: inspiratory positive airway pressure; EPAP: expiratory positive airway pressure; VAS: visual analogue scale for comfort with 0 being most comfortable and 100 being least comfortable. 1 mmHg equals 1.36 cmH2O.