Outcomes in COPD patients receiving tiotropium or salmeterol plus treatment with inhaled corticosteroids.

Int J Chron Obstruct Pulmon Dis · 2007 · PMC3321723 · PMID 18044688

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did not reach statistical significanceno p-value reported

The trend towards a reduced number of exacerbations experienced by the patients of this subgroup analysis receiving tiotropium (−23%) and salmeterol (−17%) did not reach statistical significance, but the magnitude of effect resembled that observed in the original study population ( Brusasco et al 2003 ).

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