Variable | N | Mean | p Value | |
---|---|---|---|---|
FEV1, forced expiratory volume in 1 s. | ||||
*Moderate vs mild asthma. | ||||
†Severe vs mild asthma. | ||||
‡Severe vs moderate asthma. | ||||
Asthma severity | ||||
⩽45 years (N = 34) | ||||
Mild | FEV1 predicted % | 20 | 95.2 | |
Moderate | FEV1 predicted % | 9 | 68.7 | 0.002* |
Severe | FEV1 predicted % | 5 | 61.1 | 0.002† |
0.519‡ | ||||
>45 years (N = 37) | ||||
Mild | FEV1 predicted % | 15 | 82.6 | |
Moderate | FEV1 predicted % | 12 | 78.1 | 0.552* |
Severe | FEV1 predicted % | 10 | 61.6 | 0.026† |
0.015‡ | ||||
Asthma control | ||||
⩽45 years (N = 34) | ||||
Controlled | FEV1 predicted % | 21 | 92.0 | |
Uncontrolled | FEV1 predicted % | 13 | 68.9 | 0.004 |
>45 years (N = 37) | ||||
Controlled | FEV1 predicted % | 17 | 86.4 | |
Uncontrolled | FEV1 predicted % | 20 | 66.2 | 0.004 |