Change in sputum ET-1 | ||
r | p value | |
Plasma ET-1 (pg/ml) | 0.917 | 0.001 |
Sputum IL-6 (pg/ml) | 0.718 | 0.013 |
Sputum IL-8 (pg/ml) | 0.118 | 0.729 |
Sao 2 (kPa) | –0.009 | 0.976 |
FEV1 (l) | 0.452 | 0.260 |
PEF (l/s) | –0.143 | 0.736 |
FEV1 = forced expiratory volume in one second; PEF = peak expiratory flow; Sao2 = oxygen saturation; IL = interleukin.