Table 1.

Classification of asthma control modified from the National Asthma Education and Prevention Program Expert Panel Report 3 guidelines.

Measures for current impairment	Well controlled	Not well controlled	Very poorly controlled
Symptoms	≤2 d/week	>2 d/week	Throughout the day
Nighttime awakenings	≤1×/month (aged 0–4 yrs) ≤1×/month (aged 5–11 yrs) ≤2×/month (aged ≥12 yrs)	>1×/month (aged 0–4 yrs) ≥2×/month (aged 5–11 yrs) 1–3×/week (aged ≥12 yrs)	>1×/week (aged 0–4 yrs) ≥2×/week (aged 5–11 yrs) ≥4×/week (aged ≥12 yrs)
Short-acting β2-agonists used  for symptom control	≤2 d/week	>2 d/week	Several times/day