Table 1.
Classification of asthma control among adults with asthma adopted from the National Asthma Education and Prevention Program Expert Panel Report 3 Guidelinesa.
| Measures for current impairment | Controlled asthma | Uncontrolled asthma | |
|---|---|---|---|
|
|
|
||
| Well-controlled asthma | Not-well-controlled | Very-poorly-controlled | |
| Symptoms | ≤2 d a week | >2 d a week | Throughout the day |
| Night-time awakenings | |||
| Ages 0–4 years | ≤1 time a month | >1 time a month | >1 time a week |
| Ages 5–11 years | ≤1 time a month | ≥2 times a month | ≥2 times a week |
| Ages 12 years or older | ≤2 times a month | 1–3 times a week | ≥4 times a week |
| Short-acting β2-agonists used for symptom control | ≤2 d a week | > 2d a week | Several times a day |
a
Based on the most impaired level across the three variables, asthma control was classified into three mutually exclusive categories: well-controlled asthma, not-well-controlled asthma, and very-poorly-controlled asthma.