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Airway Questionnaire 20
Definition 1
A standardized rating scale developed by Barley et al in 1988 to measure health status and detect changes in quality of life in asthmatic patients. The questionnaire contains 20 questions and each can be answered with Yes, No, or N/A (Not Applicable). (NCI Thesaurus)
Definition 2
Airway Questionnaire 20 (AQ20) (Barley EA, Quirk FH, Jones PW. Asthma health status in clinical practice: validity of a new short and simple instrument. Respir Med 1998; 92:1207-14. Copyright Reserved P.W. Jones, PhD FRCP). (NCI Thesaurus/CDISC)
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