Risk of pneumonia in obstructive lung disease: A real-life study comparing extra-fine and fine-particle inhaled corticosteroids.

PLoS One · 2017 · PMC5472262 · PMID 28617814

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showed a trendno p-value reported

The extent of the advantage of extra-fine particle ICS over fine-particle ICS may have been overestimated in the unmatched analysis as the matched pairs only showed a trend for a lower risk of pneumonia with extra-fine particle ICS after adjusting for the diagnosis of COPD.

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