Clinical characteristics of the patients
| Case no | Age (years) | Duration of disease (years) | Monthly wheezing | Night symptoms/ month | β2 use per week | Basal FEV1(%) | Reversibility of FEV1(%) | Family history of atopy | Total IgE (IU/ml) | Skin tests1-160 |
| 1 | 14 | 7 | 3 | 4 | 2–4 | 59 | 20 | + | 960 | +++ |
| 2 | 14 | 7 | 3 | 3 | 4–6 | 61 | 16 | – | 920 | +++ |
| 3 | 13 | 7 | 2 | 3 | 3–4 | 60 | 15 | + | 1200 | +++ |
| 4 | 6 | 4 | 4 | 4 | 5–6 | 66 | 15 | + | 880 | +++ |
| 51-150 | 13 | 7 | 5 | 7 | 7–8 | 44 | 12 | + | 446 | ++ |
| 6 | 5 | 2 | 2 | 5 | 4–6 | – | –1-165 | + | 902 | ++ |
| 7 | 10 | 4 | 3 | 4 | 6–7 | 58 | 18 | – | 1122 | +++ |
| 8 | 5 | 3 | 4 | 3 | 3–4 | – | –1-165 | + | 800 | +++ |
| 9 | 7 | 4 | 2 | 5 | 2–4 | 65 | 19 | – | 440 | +++ |
| 10 | 6 | 3 | 3 | 6 | 4–6 | – | –1-165 | + | 680 | ++ |
| Median | 9.3 (3.8) | 4.8 | 3.3 | 4.4 | 4.5–5.5 | 58 | 16.7 | 7/10 | 755 (93) | 10/10 |