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Correlation graphics of groups: (A) Correlation between FEV1/FEVC and FEV1 in all COPD patients; (B) correlation between LL-37 and NF-κB in group C; (C) correlation between LL-37 and NF-κB in group D; (D) correlation between FEV1 and FEV1/FEVC in group D; (E) correlation between LL-37 and FEV1 in group D; and (F) correlation between NF-κB and LL-37 in group C+D.
Abbreviation: NF-κB, nuclear factor-kappaB.
