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Validation of a single survey that can be used for case identification and assessment of asthma control: the Breathmobile Program.

Kachru, Rita; Morphew, Tricia; Kehl, Sarah; Clement, Loran T; Hanley-Lopez, Jean; Kwong, Kenny Y C; Guterman, Jeffrey J; Jones, Craig A.
Ann Allergy Asthma Immunol; 97(6): 775-83, 2006 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-17201237


Underdiagnosis of asthma and underrecognition of disease severity in lower socioeconomic populations continue to be significant health care concerns despite national efforts to better educate health care providers.


To validate a 1-page survey as a point-in-time tool identifying uncontrolled vs controlled asthma and moderate-to-severe disease activity in an urban, lower-socioeconomic pediatric population.


A previously validated survey (the Breathmobile Case Identification Survey) was evaluated as a point-in-time tool for identifying children with poorly controlled disease. Clinical validation was achieved in children (n = 1,826) presenting to a school-based asthma program for either an initial (n = 666) or a follow-up (n = 1,170) visit. Responses were compared with a comprehensive evaluation by a physician specialist as the gold standard. Response patterns were used to construct multimodel tiered scoring algorithms for baseline and follow-up visits that identify children with uncontrolled asthma, and children are likely to have moderate-to-severe disease activity at that time.


Surveys scored using the developed algorithms identified children with uncontrolled asthma (sensitivity: baseline, 77.0%; follow-up, 71.6%; specificity: baseline, 72.7%; follow-up, 71.5%) and detected moderate-to-severe disease activity (sensitivity: baseline, 69.2%; follow-up, 77.4%; specificity: baseline, 70.2%; follow-up, 70.3%).


The Breathmobile Case Identification Survey can be used in lower-socioeconomic, urban populations as a point-in-time tool for identifying children with uncontrolled vs controlled asthma and moderate-to-severe disease activity.
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