Breathing parameters (n=21) | | | | |
CPAP holding pressure | 7.6±3.6 | 6.9±3.2 | 7.6±3.1 | 7.8±3.3 |
Minute ventilation L·min−1 | 6.3±1.2 | 6.0±1.7 | 6.3±1.7 | 6.7±1.7 |
Inspiratory time s | 1.68±0.22 | 1.67±0.23 | 1.64±0.25 | 1.64±0.27 |
Expiratory time s | 2.58±0.48 | 2.55±0.61 | 2.50±0.53 | 2.45±0.52 |
Breath frequency breaths·min−1 | 14.6±2.1 | 14.9±2.4* | 15.1±2.5* | 15.4±2.7* |
Peak inspiratory flow L·s−1 | 0.55±0.12 | 0.52±0.14 | 0.56±0.16 | 0.55±0.11 |
Rua200 cmH2O·L−1·s−1 | 1.66±0.65 | 2.19±1.34 | 1.60±0.59 | 1.86±1.06 |
Genioglossus EMG (n=20) | | | | |
Tonic µV | 1.87 (1.27–2.71) | 2.35 (0.87–6.66) | 3.12 (0.97–6.70) | 3.29 (2.50 to 5.60) |
Tonic EMG % max | 0.44 (0.23–0.84) | 0.66 (0.31–1.11) | 0.53 (0.26–1.16) | 0.84 (0.52 to 1.77) |
Peak µV | 4.34 (1.9–9.44) | 4.59 (1.59–17.30) | 5.42 (2.19–26.78) | 7.11 (4.33 to 13.97) |
Peak EMG % max | 0.86 (0.52–2.35) | 1.5 (0.56–4.24) | 1.04 (0.47–5.44) | 1.88 (1.06 to 2.82) |