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Childhood asthma: can computers aid detection in general practice?

S Kable1, R Henry, R Sanson-Fisher

  • 1University of Newcastle, Locked Bag No 10, Wallsend NSW 2287 Australia. sheree.kable@newcastle.edu.au

The British Journal of General Practice : the Journal of the Royal College of General Practitioners
|February 24, 2001
PubMed
Summary

A new asthma score accurately identifies childhood asthma and its severity in primary care settings. This validated tool helps predict which children require further medical evaluation for asthma.

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Area of Science:

  • Pediatric Pulmonology
  • General Practice Diagnostics
  • Health Informatics

Background:

  • Childhood asthma is frequently underdiagnosed in primary care settings.
  • Computer-based patient interfaces offer a potential solution for efficient asthma screening.
  • Early and accurate diagnosis is crucial for effective asthma management in children.

Purpose of the Study:

  • To develop and validate a brief self-report measure for predicting childhood asthma likelihood and severity.
  • To create an "asthma score" using patient-reported data.
  • To improve asthma detection rates in general practice.

Main Methods:

  • A computerized questionnaire survey was administered in general practitioners' waiting rooms.
  • Participants completed a subsequent written questionnaire and underwent clinical assessments (bronchial challenge or skin allergy testing).

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  • Data from computerized and written questionnaires were compared against physician-assessed asthma diagnoses.

    • Main Results:

    • Six key indicators significantly predicted asthma presence and severity (P < 0.05): reported asthma history, prior diagnosis, wheezing, activity limitation, nocturnal cough, and recent GP visits.
    • A linear regression model derived an "asthma score" to estimate the probability and severity of asthma.
    • The identified factors provide a robust basis for a predictive asthma scoring system.

    Conclusions:

    • The developed "asthma score" is a valid and reliable indicator for diagnosing childhood asthma and assessing its severity in general practice.
    • This tool can aid primary care physicians in identifying children who may have asthma.
    • The score facilitates timely referral and management of pediatric asthma cases.