Heterogeneity In Prevalence And Underdiagnosis Of Copd: Results From Bold, Epi-Scan, Platino, And Prepocol

Background & Objective We evaluate heterogeneity in prevalence of COPD and factors associated with underdiagnosis using data from four general populations surveys: BOLD (Burden of Obstructive Lung Disease), EPI-SCAN (Epidemiologic Study of COPD in Spain), PLATINO (Proyecto Latinoamericano de Investigacion en Obstruccion Pulmonar), and PREPOCOL (Prevalencia de EPOC en Colombia). Methods Representative samples of adults aged ≥40 yrs were randomly selected from well-defined administrative areas at studied sites. Post-bronchodilator spirometry and face-to-face interviews were performed. Post-BD FEV1/FVC更多