Table 1. Correlation of CAT, functional parameters and SGRQ scores (Pearson correlation test)
| FEV1 | BODE | mMRC | Syptom Score | Impact Score | Activity Score | Total Score | |
| CAT (p-r) | 0,000-(-0,554) | 0,000-(0,789) | 0,000-(0,845) | 0,000-(0,835) | 0,000-(0,873) | 0,000-(0,778) | 0,000-(0,903) |