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. 2016 Jun 30;11:1485–1494. doi: 10.2147/COPD.S105948

Figure 2.

Figure 2

Expression of interferons and interferon-stimulated genes according to the combined assessment (GOLD 2015).

Notes: Expression of (A) interferons and (B) interferon-stimulated genes according to the combined assessment using symptoms, spirometric classification, and risk of exacerbations (GOLD 2015). Lines represent median. Open symbols represent healthy subjects and closed symbols represent COPD patients from Group B (diamonds) and Group D (triangles). *P<0.05, **P<0.01, ***P<0.001.

Abbreviations: GOLD, Global Initiative for Chronic Obstructive Lung Disease; IL-29, interferon lambda1; IFN-β, interferon beta.