Effects of a Rehabilitation Programme Using a Nasal Inspiratory Restriction Device in COPD.

Int J Environ Res Public Health · 2021 · PMC8071399 · PMID 33921105

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did not reach statistical significanceno p-value reported

In this study there was an improvement in many of the analyzed parameters in the FBG compare with the ONBG at Post FINAL but they did not reach statistical significance, probably due to sample size, however, the FBG reached 2.1 min more that the ONBG at the end of the cardiopulmonary exercise test what is more than 100 s that is considered as the minimal clinical important difference [ 33 ].

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