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Table 2 Current methods used to imply level of asthma control

From: Can asthma control be improved by understanding the patient's perspective?

Measure Comments
Symptoms Day, night, exercise-induced
Lung function % predicted, % variability
Healthcare resource use Rescue medication, oral steroids, emergency consultations, hospitalisation
Bronchial hyperreactivity Not suitable for routine clinical use
Biomarkers Sputum eosinophils, exhaled NO
Health status Numerous questionnaires available