| Normal IgE (n = 18) | High IgE (n = 18) | P-value | |
| Mean ± SD | Mean ± SD | ||
| FEV1 | 67.56% ± 17.86 | 49.38% ± 12.65 | 0.041 |
| FEV1/FVC | 66.2% ± 7.8% | 60.89% ± 13.52 | 0.015 |
| HRCT score | 7.83% ± 2.43 | 23.6% ± 10.1 | 0.019 |