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. 2014 Jul 3;2(7):e12069. doi: 10.14814/phy2.12069

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© 2014 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of the American Physiological Society and The Physiological Society.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Changes of serum IL‐27, sICAM‐1, and C‐reactive protein (CRP) concentrations in association with exacerbation: stratification by the sputum purulence. The patient samples were stratified based on the presence (left column; n = 25) or absence (right column; n = 46) of sputum purulence during exacerbation. Each data point represents mean (x‐axis) and difference (y‐axis) of the analyte concentrations (pg/mL, represented in binary logarithm) in the paired patient sera collected during exacerbation and stable disease. Some data points (those that were above the quantifiable range) were omitted. Mean and 95% confidence intervals of y values are shown with solid and dotted lines, respectively.