Risk of community-acquired pneumonia in chronic obstructive pulmonary disease stratified by smoking status: a population-based cohort study in the United Kingdom.

Int J Chron Obstruct Pulmon Dis · 2017 · PMC5565243 · PMID 28860737

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showed a trendno p-value reported

The level of airflow obstruction showed a trend toward increased CAP risk for very severe obstruction (fully adj.

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