Table 2.
PBE, pulmonary function tests and diffusing capacity results according to stage of disease.
| Stage 1 (n = 26) | Stage 2 (n = 45) | Stage 3 (n = 8) | Stage 4 (n = 5) | p value* | ||
|---|---|---|---|---|---|---|
| PBE | Mean ± SD | 280.76 | 232.66 | 215.00 | 370.00 | 0.286 |
| ± 216.20 | ± 151.63 | ± 117.22 | ± 216.79 | |||
| FEV1/ FVC | Mean ± SD | 79.1154 | 75.0667 | 81.2500 | 77.4000 | 0.272 |
| ± 5.92 | ± 7.67 | ± 3.88 | ± 10.13 | |||
| FEV1 (mL/sn) | Mean ± SD | 2778.15 | 2270.44 | 2273.75 | 1866.00 | 0.013 |
| ± 878.70 | ± 619.36 | ± 882.20 | ± 216.17 | |||
| FEV1 (%) | Mean ± SD | 101.80 | 90.55 | 92.12 | 87.00 | 0.041 |
| ± 12.65 | ± 18.88 | ± 30.44 | ± 18.34 | |||
| FVC (mL) | Mean ± SD | 1860.00 | 1540.00 | 1890.00 | 1720.00 | 0.147 |
| ± 6160.00 | ± 5450.00 | ± 4400.00 | ± 2960.00 | |||
| FVC (%) | Mean ± SD | 108.38 | 102.00 | 94.50 | 98.80 | 0.182 |
| ± 13.83 | ± 17.73 | ± 28.13 | ± 22.92 | |||
| DLCO (%) | Mean ± SD | 96.6538 | 87.9556 | 85.8750 | 56.6000 | 0.00 |
| ± 16.62 | ± 16.77 | ± 28.07 | ± 10.16 |
PBE: Peripheral blood eosinophilia, SD: Standard deviation, FEV1: Forced expiratory volume in the 1st second, FVC: Forced vital capacity, DLCO: Diffusing capacity,
*
One-way ANOVA.