From: Epidemiology of bronchial asthma and asthma control assessment in Henan Province, China
Asthma
Suspected asthma
Q1 (1)
Yes
No
Q1 (2)–(5)
Q2–Q10
Yes ≥ 5
Yes ≥ 6
Yes ≥ 3, but < 5
Yes ≥ 4, but < 6