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. 2019 Aug 2;13:1753466619866101. doi: 10.1177/1753466619866101

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© The Author(s), 2019

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — Changes in clinical outcome measures (FEV₁, RV and 6-MWT) at 3-, 6-, 12-, 24- and 36-month follow up compared to baseline according to the radiological outcome following valve placement. Group 1: patients with pneumothorax. Group 2: patients without lobar atelectasis or pneumothorax. Group 3: patients with lobar atelectasis. Group 4: patients with lobar atelectasis and pneumothorax.

6-MWT, 6-minute-walk test; CV, collateral ventilation; FEV1, forced expiratory flow in 1 s; RV, residual volume.