Mild symtoms
> 2 days a week but not daily
all ages
Mild nighttime awakenings
ages 0-4: 1-2 times/month
ages 5-11 and adults: 3-4 times a month
Mild SABA use
ages 0-4: >2 days/week but not daily
ages 5-11 and adults: >2 days/week but not daily and not more than once on any day
Interference with normal activity
Minor limitation
Mild lung function
ages 5-11: FEV1 and FVC1 > 80%
adults: FEV1 > 80% and FVC1 normal
Asthma exacerbations
ages 0-4: ≥2 exacerbations in 6 months, or wheezing ≥4x per year lasting >1 day AND risk factors for persistent asthma
ages 5-11 and adults: > or equal to 2x/year