Characteristics | Allergic asthma patients n = 19 | Healthy subjects n = 14 |
---|---|---|
Age, median (range), years | 25 (18–36) | 27 (20–35) |
Sex (male/female), n | 10/9 | 7/6 |
Wheal diameter induced by allergen, median (range), mm | 6.8 (5–11) | – |
Sensitization to D. pteronyssinus/ birch/5 grass mixture allergen, n | 12/4/3 | – |
PD20, geometric mean (range), mg | 0.13 (0.03–0.42) | – |
FEV1, mean ± SD (range), % of predicted | 97 ± 10 (82–118) | 102 ± 8 (95–122) |
Maximum fall in FEV1 after bronchial allergen challenge during the first hour, median (range), % | 27 (22–34)* | 2 (3–8) |