Table 1.
Subject Characteristics.
| Asthmatic Subjects | Healthy Subjects | P Value | |
|---|---|---|---|
| n = 23 | n = 15 | ||
| Age yrs (mean ± SD) | 12.2 (3.0) | 11.5 (3.3) | 0.5 |
| Sex (% male) | 57% | 47% | 0.6 |
| Currently using inhaled steroids (%) | 13 (57%) | ||
| History of Allergic Rhinitis, n; (%) | 19 (83%) | ||
| History of Eczema, n; (%) | 11 (48%) | ||
| Positive RAST, n; (%) | 18 (78%) | ||
| IgE IU/mL (median ± SD) | 273.6 (421.2) | 15.3 (11.3) | <0.001 |
| FVC % predicted (mean ± SD) | 100.3 (12.9) | 104.7 (12.9) | 0.2 |
| FEV1% predicted (mean ± SD) | 87.7 (13.0) | 103.9 (11.9) | 0.001 |
| FEV1/FVC Ratio (mean ± SD) | 0.79 (0.06) | 0.90 (0.1) | <0.001 |
| FEF25–75% predicted (mean ± SD) | 68.5 (24.6) | 98.0 (20.8) | <0.001 |
| FENO ppb (mean ± SD) | 28.1 (35.7) | 10.5 (6.2) | 0.03 |
RAST, Radioallergosorbent testing; FVC, Forced vital capacity; FEV1, Forced expiratory volume in one second; FEF25–75, Forced expiratory flow between 25% and 75% of expiration.