Table 4.
Correlations between the lung function parameters and the concentrations of sHLA-I and sHLA-II molecules in COPD patients.
| GOLD II | GOLD III | |||||
|---|---|---|---|---|---|---|
| FEV1(%) | FEV1/FVC (%) | IC (%) | FEV1 (%) | FEV1/FVC (%) | IC (%) | |
| sHLA-I (EBC) | r = −0.33p = 0.19 | r = −0.25p = 0.34 | r = 0.23p = 0.41 | r = −0.48p = 0.03 | r = −0.49p = 0.02 | r = −0.71p = 0.003 |
| sHLA-I (serum) | r = −0.17p = 0.5 | r = −0.19p = 0.38 | r = −0.27p = 0.3 | r = −0.51p = 0.01 | r = −0.33p = 0.22 | r = −0.63p = 0.01 |
| sHLA-II (EBC) | r = 0.23p = 0.41 | r = 0.12p = 0.64 | r = 0.3p = 0.12 | r = −0.39p = 0.04 | r = −0.43p = 0.03 | r = −0.59p = 0.016 |
| sHLA-II (serum) | r = −0.55p = 0.01 | r = −0.45p = 0.03 | r = −0.11p = 0.67 | r = −0.61p = 0.001 | r = −0.47p = 0.02 | r = −0.76p = 0.001 |
r: correlation coefficient; EBC: exhaled breath condensate; FEV1: forced expiratory volume in 1 second; % pred: % predicted; FVC: forced vital capacity; IC: inspiratory capacity (%).