TABLE 2

Spearman correlation matrix between soluble (s) tumour necrosis factor (TNF) marker levels in sputum supernatant and membrane-bound counterparts on sputum immune cells

Sputum neutrophilsSputum eosinophilsSputum monocytesSputum macrophages
Sputum sTNF-αp=0.705
r= −0.058
p=0.140
r=0.224
Sputum sTNFR1p=0.705
r=0.058
Sputum sTNFR2p=0.122
r=0.234
p=0.004
r=0.426
p=0.055
r=0.288
p=0.017
r=0.353

p-values and correlation coefficients (r) were derived from Spearman analyses. Significant p-values are highlighted in bold. TNFR: TNF receptor.