Table 4.
Respiratory System Impedance at Baseline and 12 Weeks
| Pranayama | Control | |||||
|---|---|---|---|---|---|---|
| Characteristic | Baseline | 12 Weeks | p | Baseline | 12 Weeks | p |
| R5 (cm H2O.s/L) | 1.28 (0.63, 6.03) (n = 19) | 0.73 (0.57, 4.13) (n = 18) | 0.04 | 2.46 (0.64, 7.26) (n = 22) | 2.92 (0.62, 7.31) (n = 20) | 0.55 |
| R20 (cm H2O.s/L) | 0.78 (0.37, 3.75) (n = 19) | 0.39 (0.32, 3.20) (n = 17) | 0.07 | 1.47 (0.40, 3.88) (n = 22) | 1.80 (0.38, 4.03) (n = 20) | 0.74 |
| X5 (cm H2O.s/L) | −0.38 (−2.52, −0.33) (n = 19) | −0.39 (−1.35, −0.29) (n = 18) | 0.33 | −0.48 (−3.47, −0.33) (n = 21) | −1.66 (−4.15, −0.19) (n = 20) | 0.54 |
| Fres (Hz) | 25.8 (20.5, 29.4) (n = 18) | 23.5 (19.2, 29.5) (n = 18) | 0.71 | 24.3 (20.8, 27.9) (n = 21) | 25.5 (21.4, 28.8) (n = 20) | 0.10 |
| AX (cm H2O/L) | 4.77 (3.13, 19.93) (n = 18) | 4.51 (2.29, 8.75) (n = 18) | 0.17 | 4.51 (2.48, 35.56) (n = 21) | 16.82 (2.23, 33.64) (n = 20) | 0.83 |
Values represent the median and IQR. p-values are from Wilcoxon signed-rank tests comparing baseline with 12 weeks within groups.
AX, area under the reactance curve; Fres, resonant frequency; R20, resistance at 20 Hz; R5, resistance at 5 Hz; X5, reactance at 5 Hz.