Change from baseline PD20 methacholine at 3 and 6 months
| Estimated difference* (95% CI) between: | |||||
|---|---|---|---|---|---|
| Control | Buteyko | PCLE | Buteyko v control | PCLE v control | |
| PCLE=Pink City Lung Exerciser. | |||||
| PD20 is measured in doubling doses. Two subjects who completed the study did not have a PD20 measurement at 6 months. | |||||
| *Adjusted for baseline values. | |||||
| 13 weeks | |||||
| n | 25 | 26 | 24 | ||
| Mean | 0.25 | 0.28 | 0.12 | −0.3 (−1.2 to 0.5) | −0.03 (−0.8 to 0.8) |
| SE | 0.28 | 0.33 | 0.27 | ||
| 26 weeks | |||||
| n | 22 | 22 | 23 | ||
| Mean | −0.04 | 0.66 | 0.44 | 0.1 (−1.0 to 1.2) | 0.6 (−0.4 to 1.6) |
| SE | 0.39 | 0.26 | 0.44 | ||