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Comparison of questionnaire scores and inflammatory markers at baseline and after 8 weeks. (A) Total LCQ score at baseline and after 8 weeks. (B) Total SGRQ score at baseline and after 8 weeks. (C) IL-6 at baseline and after 8 weeks. (D) CRP at baseline and after 8 weeks. CRP = C-reactive protein, IL-6 = interleukin-6, LCQ = Leicester cough questionnaire, SGRQ = St. George’s respiratory questionnaire.
