The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease
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Int. J. Tuberc. Lung Dis. · Aug 2014
Meta AnalysisSummarising published results from spirometric surveys of COPD: the problem of inconsistent definitions.
The use of different spirometric definitions for chronic obstructive pulmonary disease (COPD) has made an informative review of the available prevalence surveys impossible. ⋯ Using the BOLD data, we have been able to estimate COPD prevalences based on post-bronchodilator FEV1/FVC < LLN by adjusting estimates based on other common definitions, enabling more meaningful comparisons of published findings.