Days per week with daytime symptoms. Mean (SD) |
4.7 (1.9) |
1.1 (0.6) |
0.001 |
Days per month with nocturnal symptoms. Mean (SD) |
4.3 (1.1) |
0.8
(0.5) |
0.001 |
Days per week of activity limitation. Mean (SD) |
3.8 (1.5) |
0.7 (0.3) |
0.001 |
Days off school due to asthma past 3 months. Mean (SD) |
12.8 (3.0) |
1.9 (0.9) |
0.001 |
ED visits for asthma past 3 months. Mean (SD) |
1.8 (0.7) |
0.3 (0.2) |
0.001 |
Asthma control:
Well controlled
Partly controlled asthma
Uncontrolled asthma
|
18%
68%
14%
|
76%
21%
3%
|
0.001
0.007
0.010
|
Lung function*
FVC (z-score), mean (SD)
FEV1 (z-score), mean (SD)
FEV0.75 (z-score), mean (SD)
FEF25-75 (z-score), mean (SD)
FEV0.75 (%) change with salbutamol (SD)
|
-0.34 (0.76)
-0.85 (0.91)
-0.79 (0.83)
-0.98 (0.78)
12.4 (11.7)
|
-0.27 (0.71)
-0.21 (0.89)
-0.15 (0.81)
-0.08 (0.69)
5.4 (5.0)
|
0.061
0.021
0.019
0.025
0.003
|