EUROPEAN RESPIRATORY JOURNAL, vol.34, no.3, pp.588-597, 2009 (SCI-Expanded)
Published guidelines recommend spirometry to accurately diagnose chronic obstructive pulmonary disease (COPD). However, even spirometry-based COPD prevalence estimates can vary widely. We compared properties of several spirometry-based COPD definitions using data from the international Burden of Obstructive Lung Disease (BOLD)study.