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Table 4 Serum biomarkers found to be reliable and predictive of COPD: P values for linear mixed effects models demonstrating associations between serum biomarker concentrations and lung function and dyspnea.

From: Multi analyte profiling and variability of inflammatory markers in blood and induced sputum in patients with stable COPD

Serum Biomarker Post-bronchodilator FEV1 Diffusion capacity (% predicted) Baseline dyspnea index score
CRP 0.13 0.02 0.03
Myeloperoxidase 0.03 0.009 0.008
VEGF 0.05 0.004 0.003