Optimized Ventilation | Standard ventilation | P | |
---|---|---|---|
N° | 35 | 35 | |
Age, yrs | 76 ± 10 | 79 ± 7 | .173 |
Men, n (%) | 24 (69) | 21 (60) | .618 |
BMI, Kg/m2 | 25.5 ± 6.2 | 27.0 ± 6.3 | .302 |
BMI > 30, n (%) | 7 (20) | 8 (23) | .771 |
LTOT, n (%) | 25 (71) | 20 (57) | .318 |
Domiciliary NIV, n° (%) | 3 (9) | 7 (20) | .306 |
Pre-NIV data | |||
Respiratory rate | 35 ± 6 | 33 ± 7 | .093 |
pH | 7.27 ± .05 | 7.28 ± .05 | .450 |
PaO2/FiO2 | 222 ± 87 | 226 ± 56 | .796 |
PaCO2, mmHg | 76 ± 17 | 71 ± 12 | .141 |
HCO3-, mmol/l | 33 ± 6 | 32 ± 7 | .569 |