From: Multi analyte profiling and variability of inflammatory markers in blood and induced sputum in patients with stable COPD
Sputum Biomarker
Post-bronchodilator FEV1
Residual Volume (% predicted)
Diffusion capacity (% predicted)
Baseline dyspnea index score
IL-6
0.0009
0.007
0.01
0.0007
IL-8
0.03
0.24
0.34
0.037
TIMP-1
0.004
0.07
0.009
VEGF
0.15
0.04