High prevalence of spirometrically defined COPD among never smokers

Mar 10, 2014 2:00 PM

Despite the high burden of COPD, there is still little data available from China about the prevalence of spirometrically diagnosed COPD among never smokers.

The study findings from China Kadoorie Biobank, published online in the European Respiratory Journal, showed that about 4% of females and 5% of males who had never smoked and who took part in the CKB baseline survey have spirometrically defined airflow obstruction. The prevalence of airflow obstruction is associated with low socioeconomic status, eg, living in rural areas, or a previous diagnosis of tuberculosis.  Read the article.