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Asthma Characteristics at Baseline
| mean±SD | |
|---|---|
| FEV1, % predicted* | 93.5±18.5 |
| FVC, % predicted* | 99.7±15.8 |
| FEV1/FVC %* | 80.9±9.9 |
| Days of symptoms/2 weeks | 4.9±4.8 |
| Days of short-acting beta agonist use/2 weeks | 4.2±5.0 |
| Controller medication, n (%) | 108 (72) |
| FENO (ppb), median (25th%–75th%) | 33 (16–62) |
n=140
