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. 2013 Dec 12;9:9–15. doi: 10.2147/COPD.S50860

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© 2014 Kikuchi et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License

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Amount of change in FEF₅₀ for each patient for the pulmonary function test.

Notes: ^cP=0.019 compared with control, analyzed by Mann–Whitney test. Data are presented as median (with ranges in parentheses, 25th–75th percentile).

Abbreviations: FEF₅₀, forced expiratory flow after 50% of expired forced vital capacity; L/s, Liter per second.