Pulmonary Rehabilitation with Airway Clearance Techniques Improves Mucus Hypersecretion and Clinical Outcomes in COPD: A Retrospective Study.

Int J Chron Obstruct Pulmon Dis · 2026 · PMC13050987 · PMID 41947783

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did not reach statistical significanceno p-value reported

Improvements in FVC and FEV 1 /FVC remained limited and did not reach statistical significance between groups.

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