Table 4.
Correlation (pearson’s test) of IOs and PFT values.
| - | FEV1 | FVC | FEV1/FVC | FEF25-75 | TLC | RV | RV/TLC | FRC | DLCO |
|---|---|---|---|---|---|---|---|---|---|
| R5 | -0.596*** | -0.556*** | -0.071 | -0.319 | -0.438 | -0.124 | 0.188 | -0.363* | -0.307 |
| R20 | -0.501** | -0.477** | -0.028 | -0.290 | -0.399* | -0.158 | 0.106 | -0.381* | -0.250 |
| R5-20 | -0.464** | -0.450** | -0.032 | -0.150 | -0.337* | -0.043 | 0.217 | -0.249 | -0.232 |
| X5 | 0.632*** | 0.565*** | 0.188 | 0.408* | 0.373* | 0.017 | -0.356* | 0.230 | -0.304 |
| AX | -0.657*** | -0.572*** | -0.207 | -0.420* | -0.348* | 0.057 | 0.406* | -0.169 | -0.316 |
| Fres | -0.703*** | -0.667*** | -0.069 | -0.352* | -0.476** | -0.036 | 0.357* | -0.352* | -0.328 |
Note: *p<0.05, **p<0.01, ***p<0.001.