Table 5.
The average lung reactance (X5, AX), resistance (R5, R19, R5–19) and resonant frequency (FRES) before and after exposure and the paired test
| Exposure | Before exposure | After exposure | Related-samples Wilcoxon Signed Rank Test | |||
|---|---|---|---|---|---|---|
| Median (25%, 75%) | Mean (Std. dev.) | Median (25%, 75%) | Mean (Std. dev.) | p values | ||
|
R5 (cmH2O s L−1) |
FA | 3.56 (3.28, 4.16) | 3.66 (0.87) | 3.86 (3.17, 4.31) | 3.82 (1.07) | 0.215 |
| HVONOx | 3.75 (2.86, 4.74) | 3.98 (1.33) | 3.87 (3.13, 4.86) | 4.17 (1.67) | 0.494 | |
| HVOPM+NOx | 3.61 (3.1, 4.68) | 4.06 (1.67) | 3.6 (2.93, 5.22) | 4.10 (1.84) | 0.845 | |
|
R19 (cmH2O s L−1) |
FA | 3.09 (2.63, 3.77) | 3.11 (0.73) | 3.24 (2.67, 3.71) | 3.20 (0.71) | 0.286 |
| HVONOx | 3.12 (2.56, 3.96) | 3.21 (0.74) | 3.33 (2.68, 3.88) | 3.28 (0.83) | 0.355 | |
| HVOPM+NOx | 3.14 (2.61, 3.82) | 3.17 (0.86) | 3.03 (2.54, 3.97) | 3.26 (1.00) | 0.215 | |
|
R5–19 (cmH2O s L−1) |
FA | 0.38 (0.2, 0.72) | 0.54 (0.51) | 0.51 (0.16, 0.68) | 0.63 (0.69) | 0.5 |
| HVONOx | 0.79 (0.18, 1.11) | 0.77 (0.80) | 0.72 (0.24, 0.98) | 0.88 (1.08) | 0.212 | |
| HVOPM+NOx | 0.49 (0.22, 1.07) | 0.89 (1.05) | 0.5 (0.27, 1.15) | 0.84 (1.04) | 0.948 | |
|
X5 (cmH2O s L−1) |
FA | − 1.19 (− 1.34, − 1.1) | − 1.25 (0.40) | − 1.16 (− 1.38, − 0.99) | − 1.35 (0.71) | 0.306 |
| HVONOx | − 1.21 (− 1.45, − 0.88) | − 1.3 (0.65) | − 1.22 (− 1.53, − 1.1) | − 1.49 (1.02) | 0.084 | |
| HVOPM+NOx | − 1.15 (− 1.86, − 1.07) | − 1.58 (1.12) | − 1.19 (− 1.51, − 0.99) | − 1.43 (0.96) | 0.102 | |
|
AX (cmH2O L−1) |
FA | 5.9 (4.16, 8.72) | 7.44 (5.00) | 5.63 (2.75, 8.79) | 7.85 (6.66) | 0.913 |
| HVONOx | 5.99 (3.34, 14.13) | 9.24 (7.91) | 6.31 (3.19, 13.14) | 10.73 (13.13) | 0.658 | |
| HVOPM+NOx | 6.33 (4.26, 15.31) | 12.14 (15.50) | 5.52 (3.44, 13.97) | 12.00 (17.05) | 0.586 | |
|
FRES (Hz) |
FA | 15.38 (13.59, 19.47) | 16.28 (3.88) | 15.64 (12.9, 18.88) | 15.93 (4.41) | 0.528 |
| HVONOx | 14.88 (12.91, 23.66) | 17.36 (5.90) | 14.88 (12.97, 22.96) | 17.61 (5.98) | 0.494 | |
| HVOPM+NOx | 16.22 (12.28, 22.05) | 17.64 (5.91) | 14.98 (13.56, 19.71) | 17.58 (7.18) | 0.744 | |