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. 2019 Sep 18;6(1):e000381. doi: 10.1136/bmjresp-2018-000381

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Correlation and agreement of the MDP total score between baseline (Q1) and after 30–90 min (Q2) in 140 outpatients with cardiorespiratory disease who reported their breathlessness to be similar between the assessments on the GIC Scale (GIC score=4). Left panel: scatterplot with a 45 degree line (no difference) and a simple linear regression line with Pearson’s correlation coefficient (r). Right panel: Bland-Altman plot with lines for mean bias and 95% limits of agreement. GIC, Global Impression of Change; MDP, Multidimensional Dyspnea Profile.