Characteristics of asthmatic subjects
| Total n | 32 |
| Age yrs | 51.3±16.9 |
| Screening FEV1# | 91.2±15.5 |
| Atopy¶ Y/N/ND | 12/13/7 |
| Rescue SABA | 5 |
| ICS | 4 |
| LTRA | 1 |
| ICS+LABA | 17 |
| ICS+LTRA | 3 |
| ICS+LABA+LTRA | 2 |
Data are presented as n or mean±sd. FEV1: forced expiratory volume in one second; Y: yes; N: no; ND: not done; SABA: short-acting β2-agonists; ICS: inhaled corticosteroids; LTRA: leukotriene receptor antagonists; LABA: long-acting β2-agonists. #: FEV1 is expressed as percent predicted; ¶: positive skin-prick test to one or more inhalant allergens