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. 2017 Aug 22;3(2):297–316. doi: 10.1007/s41030-017-0048-0

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0), which permits use, duplication, adaptation, distribution, and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 2 — Patient characteristics in the randomized controlled trials included in the NMA. Values are weighted means of the patient populations included in the NMA. Zero values indicate that data were not reported. COPD chronic obstructive pulmonary disease, FEV ₁ forced expiratory volume in 1 s, ICS inhaled corticosteroids, NMA network meta-analysis