Variable | N | Mean | p Value | |
---|---|---|---|---|
FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity. | ||||
*Moderate vs mild asthma. | ||||
†Severe vs mild asthma. | ||||
‡Severe vs moderate asthma. | ||||
Asthma severity(N = 71) | ||||
Mild | FEV1 predicted % | 35 | 89.8 | |
Moderate | FEV1 predicted % | 21 | 74.1 | 0.007* |
Severe | FEV1 predicted % | 15 | 61.5 | <0.001† |
0.033‡ | ||||
N = 56 | ||||
Mild | FEV1/FVC | 30 | 75.8 | |
Moderate | FEV1/FVC | 18 | 68.1 | 0.006* |
Severe | FEV1/FVC | 8 | 61.8 | 0.030† |
0.205‡ | ||||
Asthma control(N = 71) | ||||
Controlled | FEV1 predicted % | 38 | 89.5 | |
Uncontrolled | FEV1 predicted % | 33 | 67.3 | <0.001 |
N = 56 | ||||
Controlled | FEV1/FVC | 33 | 75.3 | |
Uncontrolled | FEV1/FVC | 23 | 65.7 | 0.001 |