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. 2021 Sep 7;14:4503–4507. doi: 10.2147/JIR.S320659

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© 2021 Munuswamy et al.

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(A) pCRP (left y-axis; black) and mCRP (right y-axis; grey) levels in 38 patients with COPD (closed circles) and 18 age/gender matched NCCP (closed triangles). (B) pCRP (left y-axis; black) and mCRP (right y-axis; grey) levels in patients with COPD who are ex-smokers (EX COPD; open circles) or current smokers (S COPD; half-open circles) and NCCPs who are non-smokers (NS NCCP; open triangles) or ex-smokers (EX NCCP; half-open triangles).

Abbreviations: COPD, Chronic Obstructive Pulmonary Disease; NCCP, Non-COPD Control Persons; pCRP, pentameric C-reactive Protein; mCRP, monomeric C-reactive Protein; mg/L, milligram per litre.