Skip to main content
. Author manuscript; available in PMC: 2021 Mar 2.
Published in final edited form as: J Allergy Clin Immunol. 2020 Dec;146(6):1217–1270. doi: 10.1016/j.jaci.2020.10.003

TABLE IB.

MIDs for asthma-control and asthma-related quality-of-life measures19–27

Outcome measure Range (points) Score interpretation MID
Asthma control
ACT 5–25 Well controlled: ≥20
Not well controlled: ≤19		 ≥12 y:
MID ≥3 points
Asthma Control Questionnaire-5 (ACQ-5)
Asthma Control Questionnaire-6 (ACQ-6)		 0–6 Uncontrolled: ≥1.5
Well controlled: <0.75		 ≥18 y:
MID ≥0.5 points
Asthma Control Questionnaire-7 (ACQ-7) 0–6 Uncontrolled: ≥1.5
Well controlled: <0.75		 ≥6 y:
MID ≥0.5 points
Asthma-related quality of life
Asthma Quality of Life Questionnaire
Asthma Quality of Life Questionnaire Mini (AQLQ-mini)		 1–7 Severe impairment = 1
No impairment = 7		 ≥18 y:
MID ≥0.5 points
Pediatric Asthma Quality of Life Questionnaire 1–7 Severe impairment = 1
No impairment = 7		 7–17 y:
MID ≥0.5 points
Other
Rescue medication use (daytime or nighttime) Continuous measure of puffs per unit of time NA ≥18 y:
MID = –0.81 puffs/d

NA, Not applicable/available.