Use of asthma medication during previous 12 months according to parents | 23 (18.7) |
Respiratory symptoms ever experienced |
Wheeze | 70 (56.9) |
Shortness of breath | 26 (21.1) |
Respiratory symptoms experienced in previous 12 months | 40 (32.5) |
Wheeze | 29 (23.6) |
Coughing | 50 (40.7) |
Wheezing at time of inclusion | 51 (41.5) |
Lung function characteristics |
FVC as % of predictedb,c | 98.8 (11.3) |
FEV1 as % of predictedb,c | 107.1 (11.7) |
PC20 (mg/ml)b,d | 3.0 (3.3) |
PC20b | |
No responsiveness | 15 (21.1) |
Mild responsiveness | 29 (40.8) |
Moderate responsiveness | 24 (33.8) |
Severe responsiveness | 3 (4.2) |