Optimizing inhalation therapy in the aspect of peak inhalation flow rate in patients with chronic obstructive pulmonary disease or asthma.

BMC Pulm Med · 2021 · PMC8464087 · PMID 34560863

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did not reach statistical significanceno p-value reported

In the AE group, the improvement in PIFR before and after training (P > 0.050) did not reach statistical significance, indicating that many AE patients had poor inhalation ability and the benefits of training for AE patients were limited.

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