The Global Lung Function Initiative: Dispelling some myths of lung function test interpretation

Lung function results can help with establishing a diagnosis, with assessment of treatment effects and with making a prognosis. However, arbitrary differences in the way lung function is expressed and interpreted may result in mismanagement of patients as well as hindering our understanding of the global burden of lung disease. In this article, we summarise the Global Lung Function Initiative spirometry reference equations and dispel some common myths related to the use and interpretation of spirometry results.

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