Table 3.
Correlations between the serum concentration of IL-17 and the lung function parameters in patients with COPD, asthma-COPD overlap, and bronchial asthma.
| Spirometric indicators | COPD | АСО | BA | |||
|---|---|---|---|---|---|---|
| r | p | r | p | r | p | |
| FVC (l) | -0.51 | ≤0.001 | -0.42 | 0.022 | -0.4 | 0.045 |
| FVC (%) | -0.35 | 0.02 | -0.53 | 0.002 | -0.49 | 0.03 |
| FEV1 (l) | -0.53 | ≤0.001 | -0.48 | 0.007 | -0.46 | 0.03 |
| FEV1 (%) | -0.55 | ≤0.001 | -0.268 | 0.152 | -0.27 | 0.32 |
| FEV1/FVC (%) | -0.62 | ≤0.001 | 0.031 | 0.87 | -0.53 | 0.02 |
| FEF25 (l) | -0.54 | ≤0.001 | -0.24 | 0.2 | -0.13 | 0.69 |
| FEF25 (%) | -0.53 | ≤0.001 | -0.018 | 0.32 | -0.21 | 0.28 |
| FEF50 (l) | -0.33 | 0.043 | -0.089 | 0.64 | -0.23 | 0.21 |
| FEF50 (%) | -0.53 | ≤0.001 | -0.065 | 0.73 | -0.21 | 0.27 |
| FEF75 (l) | -0.56 | ≤0.001 | -0.205 | 0.27 | 0.15 | 0.65 |
| FEF75 (%) | -0.46 | 0.002 | -0.296 | 0.11 | -0.13 | 0.7 |
| IC (%) | -0.31 | 0.049 | -0.211 | 0.26 | -0.2 | 0.35 |
r: correlation coefficient; COPD: chronic obstructive pulmonary disease; ACO: asthma-COPD overlap; BA: bronchial asthma.