Mean (SD) or number (%)* baseline characteristics of 44 children who completed 20 months of follow up on maintenance therapy with inhaled β2 agonists and inhaled corticosteroids
| Male gender* | 32 (73%) |
|---|---|
| Inhaled steroids before study* | 21 (48%) |
| Smoking in household* | 25 (57%) |
| Age (years) | 11.1 (1.8) |
| Duration of asthma (years) | 7.5 (3.3) |
| log2 PD20 histamine (mg) | 4.3 (1.4) |
| Geometric mean | 19.3 |
| FEV1 %predicted | 77.3 (10.9) |
| Morning PEF (l/min) | 289 (73) |
| Amplitude % mean (%) | 13.6 (6.5) |
| Low % high PEF (%) | 63.5 (11.5) |
| 1og10 eosinophil count (*106/l) | 2.5 (0.4) |
| Geometric mean | 315 |
| log10 total serum IgE (IU/l) | 2.7 (0.4) |
| Geometric mean | 490 |