Fig. 2From: Neopterin in patients with COPD, asthma, and ACO: association with endothelial and lung functionsCorrelation among lung function, endothelial function, and NP. (A): Correlation between FEV1 and PWV. (B): Correlation between FEV1 and FMD. (C): Correlation between NP and FEV1. (D): Correlation between NP and PWV. (*P < 0.05)Back to article page