Table 2.
Disease characteristics among group 1 (asthmatic group).
| Family history of asthma | |
| Yes | 19 (70.4%) |
| No | 8 (29.6%) |
| Age of onset of asthma | |
| < 4 yr | 19 (70.4%) |
| ≥ 4 yr | 8 (29.6%) |
| Frequency of attacks | |
| 3/mo | 11 (40.7%) |
| 1–2/mo | 13 (48.2%) |
| 6/yr | 3 (11.1%) |
| Night symptoms | |
| 2/mo | 16 (59.3%) |
| ≥1/wk | 11 (40.7%) |
| Precipitating factors | |
| No | 2 (7.4%) |
| Yes | 25 (92.6%) |
| Upper respiratory tract symptoms | |
| No | 15 (55.6%) |
| Yes | 12 (44.4%) |
| Chest | |
| Wheeze | 1 (3.7%) |
| Wheeze, cough | 7 (25.9%) |
| Wheeze, cough, dyspnea | 19 (70.4%) |
| Atopic manifestation | |
| No | 21 (77.8%) |
| Yes | 6 (22.2%) |
| FEV1 % of cases, mean ± SD | 83 ± 10 |
FEV1: forced expiratory volume in the first second.