The following is a summary of “Effect of a post-bronchodilator FEV1/FVC < 0.7 on COPD diagnosis and treatment: a regression discontinuity design,” published in the April 2025 issue of Respiratory Research by Moffett et al. The Global Initiative for Chronic Obstructive Lung Disease (GOLD) guidelines define chronic obstructive pulmonary disease (COPD) based on a post-bronchodilator ratio of […]
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