Table 1. Characteristics of the asthmatic children in this study.
| Characteristics | No. (%) |
|---|---|
| Age group (year) | |
| <3 | 170 (20.2) |
| 3–5 | 222 (26.4) |
| ≥6 | 448 (53.3) |
| Sex, male | 554 (67.0) |
| Familial history | |
| Atopic dermatitis | 76 (9.0) |
| Allergic rhinitis | 435 (51.8) |
| Asthma | 142 (16.9) |
| Allergic conjunctivitis | 145 (17.3) |
| Atopy | |
| Eosinophil >4% | 383 (45.6) |
| IgE >150/µL | 317 (37.7) |
| Aeroallergen sensitization | 466 (51.4) |
| Test for asthma diagnosis | |
| Bronchial hyperresponsiveness | 318/670 (47.5) |
| Reversible obstruction | 175/670 (26.1) |
| Peak exipiratory flow variability | 58/670 (8.7) |
| Elevated FeNO | 55/670 (8.2) |
| mAPI only (aged 3–5 years) | 198/222 (89.2) |
| Total subjects | 840 (100) |
IgE, immunoglobulin E; FeNO, fraction of exhaled nitric oxide; mAPI, modified Asthma Predictive Index.