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. 2018 Jun 21;5:172. doi: 10.3389/fmed.2018.00172

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Copyright © 2018 Billings, Lewis, Armstrong, Hurdman, Smith, Austin, Elliot, Charalampopoulos, Sabroe, Lawrie, Thompson, Condliffe and Kiely.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Percentage of all patients with Incremental shuttle walk distance percent predicted (ISWD%pred) and Diffusing capacity across the lung for carbon monoxide percent predicted (DLco%pred) less than (A) the 5th percentile and (B) the 10th percentile World Health Organization Functional Class (WHO FC).

Inline graphic — Percentage of all patients with Incremental shuttle walk distance percent predicted (ISWD%pred) and Diffusing capacity across the lung for carbon monoxide percent predicted (DLco%pred) less than (A) the 5th percentile and (B) the 10th percentile World Health Organization Functional Class (WHO FC).