Table 4. The correlation of oscillometry parameters with FEV1/FVC.
| Parameters | Pearson Correlation | p |
| FEV1/FVC & Z5 | 0. 018 | 0. 932 |
| FEV1/FVC & R20 | 0.041 | 0. 850 |
| FEV1/FVC & R5 | 0.82 | 0. 711 |
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