Previous tuberculosis disease as a risk factor for chronic obstructive pulmonary disease: A cross-sectional analysis of multicountry, population-based studies

This population-based, cross-sectional analysis examined the relationship between self-reported previous tuberculosis and COPD using pooled data from 12,396 individuals from 13 geographically diverse, low-resource settings. In one of the included studies, lung function testing was measured using the Vitalograph Pneumotrac spirometer.