Validation of The 30 Second Asthma Test as a measure of asthma control
- PMID: 17372638
- PMCID: PMC2676381
- DOI: 10.1155/2007/340596
Validation of The 30 Second Asthma Test as a measure of asthma control
Abstract
Background: The primary objective of asthma management is to help patients establish and maintain optimal disease control. Simple and efficient tools are needed to assess patient-reported symptoms so that they can be used with or without airway function to evaluate asthma control.
Objective: The objective of the present study was to evaluate the validity of The 30 Second Asthma Test (GlaxoSmithKline Inc, Canada), based on the Canadian Asthma Guidelines, by estimating its relationship with criterion measures of control.
Results: The discriminative and diagnostic validity of The 30 Second Asthma Test was examined in a sample of 81 patients with a confirmed diagnosis of asthma. Based on a cut-off score of two or greater on The 30 Second Asthma Test, the overall agreement with specialist ratings was 65%, and 58% with per cent predicted forced expiratory volume in 1 s. The 30 Second Asthma Test scores distinguished between groups of patients who were classified based on the change in intensity of therapy.
Conclusion: The results support the use of The 30 Second Asthma Test as a brief screening tool for asthma control.
CONTEXTE :: Le but principal du traitement de l’asthme est d’aider les patients à atteindre et à maintenir une maîtrise optimale de la maladie. Il faut donc disposer d’outils qui soient simples et efficaces pour évaluer les symptômes déclarés par les patients, et qui puissent s’utiliser seuls ou en association avec des épreuves fonctionnelles respiratoires pour évaluer la maîtrise de la maladie.
BUT :: L’étude avait pour but d’évaluer la validité du Test de 30 secondes sur l’asthme (GlaxoSmithKline Inc. Canada), fondé sur les principes directeurs du consensus canadien sur l’asthme, par l’analyse du lien avec les scores critères de maîtrise.
RÉSULTATS :: La validité diagnostique et discriminante du test a été vérifiée dans un échantillon de 81 patients chez qui un diagnostic d’asthme avait déjà été posé. D’après le score seuil de deux ou plus au Test de 30 secondes sur l’asthmeMC, la concordance globale de l’évaluation des spécialistes était de 65 % et de 58 % pour le volume expiratoire maximal par seconde prévu, exprimé en pourcentage. Le Test de 30 secondes sur l’asthme a fait la distinction entre les groupes de patients classés d’après les modifications de l’intensité du traitement.
CONCLUSION :: Les résultats étayent le recours au Test de 30 secondes sur l’asthmeMC comme outil d’évaluation rapide de la maîtrise de l’asthme.
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