PEF feedback | No PEF feedback | p Value | |
---|---|---|---|
Accurate zone, % | 60.7±2.3 | 48.2±2.5 | <0.001 |
Danger zone, % | 15.3±2.1 | 41.6±2.3 | <0.001 |
Magnification zone, % | 24.0±2.1 | 10.2±2.3 | <0.001 |
Prediction of PEF, % personal best | 73.0±0.4 | 100.7±0.5 | <0.001 |
Actual PEF, % personal best | 75.2±0.2 | 75.5±0.2 | 0.388 |
Adherence to ICS, % | 48.8±4.5 | 27.5±4.9 | 0.002 |
Number of quick-relief puffs (past 30 days) | 41.9±4.6 | 21.8±5.2 | 0.005 |
Values represent mean±SE of the mean.
ICS, inhaled corticosteroids; PEF, peak expiratory flow.