Table I.
Gender, F/M | 8/1 |
Average age (years), F/M | 27.8 (20–38)/28 |
Race | |
Caucasian | 8 |
African American | 1 |
Family history of atopy | 9 |
History of allergic rhinitis | 9 |
Frequency of daily asthma symptoms | |
≤ 2 days/week | 6 |
> 2 days/week but not daily | 3 |
Nighttime awakenings | |
≤ 2 days/week | 9 |
> 2 days/week but not daily | 0 |
Baseline spirometry (%predicted) | |
FEV1 (%predicted) | 90 (75–109) |
FEV1/FVC | 0.77 (0.68–0.84) |
Methacholine PC20 (mg/ml) | 4.1 (0.15–10) |
Medications | |
H1-antihistamine (daily or as needed) | 9 |
Albuterol ≤ 2 days/week | 9 |
Inhaled corticosteroids | 0 |
Inhaled long-acting β-agonist | 0 |
Leukotriene modifying agents | 0 |
Cromolyns | 0 |