Asthma control in a random sample of New Zealand adolescent asthmatics.

van Dalen, CJ; Harding, E; Parkin, J; Blakey, K; Cheng, S; Pearce, NE; Douwes, J; (2007) Asthma control in a random sample of New Zealand adolescent asthmatics. The Journal of asthma, 44 (4). pp. 261-6. ISSN 0277-0903 DOI:

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Asthma control, defined by asthma symptoms and lung function, and asthma medication use, was assessed in 123 adolescent asthmatics. Sputum eosinophilia (>or= 2.5% eosinophils) and bronchial hyperresponsiveness (BHR) to hypertonic saline were also measured to assess whether these additional objective parameters might aid in determining asthma control; 54.5% of subjects had adequately controlled asthma; 50.4% of all subjects reported inhaled corticosteroid use in the preceding 12 months; however, only 22.3% reported regular use. Although BHR and median eosinophil numbers were significantly higher in the inadequately controlled asthmatics, BHR and sputum eosinophilia had poor sensitivity for detecting inadequate asthma control.

Item Type: Article
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Medical Statistics
Research Centre: Centre for Global Non-Communicable Diseases (NCDs)
PubMed ID: 17530523
Web of Science ID: 247078700005


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