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Results of spirometry: FVC—forced vital capacity, FEV1—forced expiratory volume at 1 s, FEF 25–75%—forced expiratory flow 25–75%
| Spirometry parameters | Group | Mean | SD | p-value |
|---|---|---|---|---|
| FEV1/FVC |
Cases Controls |
0.8595 0.8732 |
0.6155 0.5288 |
0.092 |
| FVC% |
Cases Controls |
85.13 83.57 |
10.555 6.871 |
0.1645 |
| FEV1% |
Cases Controls |
84.19 84.98 |
11.206 8.280 |
0.326 |
| FEF25-75% |
Cases Controls |
75.03 84.378 |
14.907 14.584 |
0.000 |
