Table 1 Characteristic of the study participants
Characteristic | Visit 1 (n = 103) | Visit 2†(n = 98) | p-value |
|---|---|---|---|
Female, n (%) | 47 (45.6) | 45 (45.9) | NS |
Age, yrs | 33.1 ± 0.9 | 33.2 ± 0.9 | NS |
Body mass index | 21.6 ± 0.3 | 21.4 ± 0.2 | NS |
Nonsmokers, n (%) | 81 (78.6) | NA | |
Ex-smokers, n (%) | 22 (21.4) | NA | |
Atopic by skin prick, n (%) | 69 (67.0) | NA | |
Total IgE, kU/L | 631.7 ± 94.1 | 568.4 ± 86.8 | NS |
Eosinophil in WBC% | 5.4 ± 0.4 | 4.0 ± 0.3 | < 0.001 |
FEV1/FVC, % | 72.1 ± 0.6 | 74.9 ± 0.8 | 0.0026 |
FEV1, % predicted | 84.1 ± 1.4 | 87.8 ± 0.9 | 0.0270 |
≥80%, n (%) | 72 (69.9) | 85 (86.7) | |
60-79%, n (%) | 20 (19.4) | 10 (10.2) | |
< 60%, n (%) | 11 (10.7) | 3 (3.1) | |
YKL-40, ng/ml | 75.2 (55.8-86.8) | 54.5 (46.4-58.4) | < 0.001 |
AQLQ | 5.19 ± 0.11 | 5.35 ± 0.10 | NS |
ACT score | 20.6 ± 0.5 | 22.1 ± 0.3 | 0.0101 |
25, n (%) | 26 (25.2) | 31 (31.6) | |
20-24, n (%) | 52 (50.5) | 60 (61.3) | |
5-19, n (%) | 25 (24.3) | 7 (7.1) |