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. 2020 Oct 5;15:2399–2409. doi: 10.2147/COPD.S257474

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© 2020 Rowe et al.

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Raw mean change from baseline per treatment arm over time for pre-bronchodilator FEV₁, post-bronchodilator FEV₁, and lung clearance index (LCI). Numbers at each data point represent number of patients; error bars are indicative of standard error.

Abbreviations: EOS, end of study; FEV₁, forced expiratory volume in 1 second; LCI, lung clearance index.