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. 2017 Jul 7;12:2023–2033. doi: 10.2147/COPD.S135701

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© 2017 Papp et al. This work is published and licensed by Dove Medical Press Limited

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Correlation of mood disturbance (characterized by the Impacts score of SGRQ) and reciprocal of serum irisin concentration in the whole data set (n=74).

Notes: The x-axis shows the reciprocal of serum irisin level (in ng/mL), whereas the y-axis denotes the Impacts score of SGRQ. The blue line shows the fitted line to the data points (represented by the green dots), whereas the grey zone indicates the 95% CI.

Abbreviations: CI, confidence interval; SGRQ, St George’s Respiratory Questionnaire.