Table 1.

Asthma Control Algorithm based on NAEPP-EPR3 (2007) Guidelines

	Classification of asthma control
Component of asthma control	Well controlled	Not well controlled	Very poorly controlled
Symptom days past 2 weeks	≤ 4	5–13	14
Symptom nights past 4 weeks	0–1	2–4	> 4
Activity limitation past week	Not at all limited or very slightly limited	Slightly limited, moderately limited, or very limited	Extremely limited or totally limited
Rescue medication use past 2 weeks	No	Yes	Yes
ED visit or hospitalization past 12 months	ED visits =0 or hospitalizations=0	ED visits=1 or hospitalizations= 0–1	ED visits ≥ 2 or hospitalizations ≥1
Courses of OCS past 12 months	0–1	≥ 2	≥ 2

Note. ED emergency department, OCS oral corticosteroid