Comparison of clinical features between non-smokers with COPD and smokers with COPD: a retrospective observational study.

INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE（2014）

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摘要

Non-smokers with COPD had less impairment in airflow limitation and gas exchange, and a lower prevalence of emphysema, chronic cough, and sputum compared with their smoking counterparts. Tobacco cessation is warranted in smokers with COPD.

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关键词

chronic obstructive pulmonary disease,emphysema,lung function,non-smokers,smokers,symptoms

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