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. 2014 Oct 14;9:1133–1144. doi: 10.2147/COPD.S72482

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

The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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Trough FEV₁ response to treatment in (A) ANHELTO 1; (B) ANHELTO 2.

Notes: **P<0.01 (olodaterol + tiotropium versus tiotropium + placebo); n=1,132 (ANHELTO 1), n=1,135 (ANHELTO 2).

Abbreviation: FEV₁, forced expiratory volume in 1 second.