Randomised, double-blind, placebo-controlled trial with azithromycin selects for anti-inflammatory microbial metabolites in the emphysematous lung.

Thorax · 2017 · PMC5329050 · PMID 27486204

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did not reach statistical significanceno p-value reported

This is also important since it is possible that some subject's characteristics might have actually differed between groups but did not reach statistical significance due to the small sample size.

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