Changes in forced oscillation technique
| NHF-off | NHF-OTS 30 L/min | NHF-OTS 50 L/min | |
| Resistance at 5 Hz | |||
| Mean (cmH2O/L/s)±SD | 2.15±0.77 | 2.26±1.03 | 2.35±1.08 |
| >0.05 | >0.05 | ||
| Resistance at 20 Hz | R20 | ||
| Mean (cmH2O/L/s)±SD | 1.96±0.75 | 2.01±0.92 | 2.00±0.86 |
| p Value from NHF-off | >0.05 | >0.05 | |
| X5 | |||
| Mean (cmH2O/L/s)±SD | 0.06±0.15 | 0.02±0.19 | −0.12±0.17 |
| p Value from NHF-off | >0.05 | <0.05 | |
| Resonant frequency (Fres) (Hz) | |||
| Mean±SD | 4.80±0.81 | 5.03±1.37 | 6.42±1.67 |
| p Value from NHF-off | >0.05 | <0.05 | |
| ALX | |||
| Mean (cmH2O/L/s*Hz)±SD | 0.15±0.18 | 0.30±0.41 | 0.61±0.50 |
| p Value from NHF-off | >0.05 | <0.05 |
p Value compared with the NHF-OTS off n=10.
ALX, low-frequency reactance area; X5, respiratory system reactance at 5 Hz.