Established NIV | PLBV mode | p | |
---|---|---|---|
Ventilator settings | |||
Inspiratory pressure | 17.5 (4.4) | 14.6 (3.0) | 0.002 |
Expiratory pressure | 5.8 (1.1) | 6.1 (1.3) | 0.343 |
Borg scale | 7.2 (1.0) | 5.6 (2.0) | 0.019 |
Blood gas analysis | |||
pH | 7.419 (0.49) | 7.418 (0.37) | 0.849 |
pCO2(mmHg) | 47.2 (5.9) | 47.4 (6.3) | 0.821 |
pO2 (mmHg) | 64.6 (12.7) | 67.9 (16.4) | 0.326 |
BE (mmHg) | 5.3 (5.5) | 5.1 (4.8) | 0.696 |
\({\text{HCO}}_{3}^{ - }\) (mmHg) | 30.5 (6.1) | 30.4 (5.4) | 0.873 |
6-min walking test | |||
Distance (m) | 114.9 (115.7) | 129.8 (132.2) | 0.087 |
Pulmonary function | |||
VCmax (%) | 44 (16.0) | 48 (16.3) | 0.040 |
FVC (%) | 41 (19.0) | 47 (18.4) | 0.032 |
FEV1 (%) | 20 (9.5) | 21 (8.2) | 0.415 |
FEV1/FVC (%) | 37 (8.3) | 34 (5.4) | 0.051 |
Inspiratory flow (ml) | 59.5 (19.2) | 63.5 (15.6) | 0.085 |