Table 2.
Pearson correlation coefficient of SGRQ scores
| Symptom | Activity | Impact | Total | |
| FEV1-Pre | −0.19 | −0.36* | −0.26 | −0.31* |
| FEV1-Post | −0.13 | −0.32* | −0.21 | −0.26 |
| FVC-Pre | −0.13 | −0.32* | −0.18 | −0.24 |
| FVC-Post | −0.07 | −0.24 | −0.14 | −0.18 |
| FEV1/FVC | −0.07 | −0.25 | −0.14 | −0.18 |
| 6 MWD | −0.21 | −0.24 | −0.32* | −0.30* |
| VAS -Post | 0.16 | 0.36* | 0.41** | 0.38** |
| exercise |
*
p <0.05
**
p<0.01
FEV1 - Forced expiratory volume in one second, FVC-Forced vital capacity, PRE-prebronchodilator, POST-bronchodilator, VAS-visual analogue scale, SGRQ-St George's Respiratory Questionnaire, 6 MWD - 6 Minutes Walking Distance, Significant values in bold