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. 2018 Aug 20;13:2483–2494. doi: 10.2147/COPD.S167192

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© 2018 Jiang et al. This work is published and licensed by Dove Medical Press Limited

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Correlation between clinical factors and the serum level of IL-10 in patients with stable COPD.

Notes: (A) Patients with stable COPD showed lower levels of serum IL-10 than those in the control group (P<0.001). (B) Decreased IL-10 negatively correlated with the age of patients (P=0.001). (C) Decreased IL-10 negatively correlated with the smoking status of patients (P=0.001). (D) Patients with GOLD-3 and -4 showed lower levels of serum IL-10 than those with GOLD-1 and -2 (*P<0.001). (E) Serum level of IL-10 in patients with mMRC score of 4 was lower than in those with mMRC scores of 2 and 3 (*P<0.001). (F) Patients with longer clinical history displayed a lower expression of serum IL-10 than those with a short history (*P<0.001).

Abbreviations: COPD, chronic obstructive pulmonary disease; GOLD, Global initiative for chronic Obstructive Lung Disease; IL, interleukin; mMRC, modified British Medical Research Council.