Table 1.
Demographic data of patients with severe asthma
| Characteristics | FAO (n = 119) | RAO (n = 116) | P-value |
|---|---|---|---|
| Age, yr | 58.3 ± 12.8 | 47.1 ± 14.3 | <0.001 |
| Male, % | 64 | 40 | <0.001 |
| BMI, kg/m2 | 23.4 ± 2.9 | 23.9 ± 3.5 | 0.239 |
| Duration of asthma, yr | 10 [4 - 18] | 6 [3 - 12] | 0.083 |
| Onset age, yr | 47.5 ± 15.4 | 39.7 ± 15.6 | <0.001 |
| Treatment duration, yr | 5 [2 - 10] | 5 [3 - 10] | 0.851 |
| Numbers of ER visit due to asthma | 2 [1 - 5] | 2 [1 - 5] | 0.751 |
| Numbers of admission due to asthma | 2 [1 - 5] | 1 [1 - 4] | 0.070 |
| Presence of exacerbation, % | 51 | 58 | 0.339 |
| Presence of atopy, % | 34 | 49 | 0.068 |
| Presence of rhinosinusitis, % | 50 | 66 | 0.014 |
| Duration of smoking, pack-years | 30 [18.7 - 40] | 14 [4.5 - 25] | <0.001 |
| Smoking, current/ex/non, n | 15/61/24 | 14/42/44 | 0.003 |
Abbreviations:
FAO, fixed airway obstruction; RAO, reversible airway obstruction; ER, emergency room
Data are presented as mean ± SD, % or median [interquartile range].
P-values were determined using the Mann-Whitney U-test, chi-square or Fisher's test.