Table-I.
Clinical characteristics of two groups*.
| Characteristics | PAFL | NPAFL | P value |
|---|---|---|---|
| Patients | 128 | 178 | |
| Age (year) | 49.53±12.48 | 42.69±13.37 | P=0.01 |
| Gender(male/female) | 57/71 | 79/99 | P=0.98 |
| Smoking history (%) | 88 (68.8%) | 46 (25.8%) | P=0.00 |
| Asthma duration (year) | 18.63±13.54 | 12.88±12.19 | P=0.02 |
| Education (College graduate, %) | 46 (35.9%) | 85 (47.8%) | P=0.18 |
| Hospitalization history (%) | 48 (37.5%) | 39 (21.9%) | P=0.03 |
| Family history (%) | 37 (28.9%) | 49 (27.5%) | P=0.84 |
| Presence of atopy (%) | 39 (30.5%) | 87 (48.9%) | P=0.03 |
| Onset age ( ≥25years old, %) | 83 (71.5% ) | 116(65.2%) | P=0.98 |
| Regular corticosteroid inhalation (%) | 35 (27.3%) | 80 (44.9%) | P=0.03 |
| FEV1, initial, predicted % | 49.61±17.89 | 82.79±15.03 | P=0.00 |
| FEV1/FVC, initial, predicted % | 48.79±12.15 | 77.59±11.04 | P=0.00 |
| FEV1/FVC, 3 months after enrollment, predicted % | 51.62±13.45 | 80.32±12.28 | P=0.00 |
| FEV1/FVC,12 months after enrollment, predicted % | 52.17±11.79 | 80.78±13.17 | P=0.00 |
*
Data are presented as No. (%) or mean±SD.