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Assessing allergic rhinitis in developing countries.
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Edité par CCSD ; International Union Against Tuberculosis and Lung Disease -
International audience. BACKGROUND: Allergic rhinitis (AR) affects 5% to 40% of the general population. In developing countries, AR is poorly documented and tracked due to a lack of appropriate diagnostic tools. OBJECTIVE: 1) To validate a questionnaire standardised in industrialised countries to ascertain AR, the Score For Allergic Rhinitis (SFAR), in developing countries; 2) to better understand AR prevalence previously reported from developing countries by comparing results from the SFAR and the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaires. METHODS: Six African countries were selected for their climates. In each country, 70 individuals with and 30 without nasal symptoms filled out the SFAR and the ISAAC questionnaires. Skin prick tests (SPTs) for allergens were performed by the physician if necessary. RESULTS: The SFAR presented a close match with the gold standard (the physician's diagnosis of AR backed up by SPT where necessary) in terms of various performance parameters. In particular, it showed high sensitivity (0.84) and specificity (0.81). Compared to the ISAAC questionnaire, the SFAR had greater sensitivity and equal specificity. CONCLUSIONS: In the absence of a medical visit, the SFAR is a useful standardised screening instrument for the collection of information needed for the identification of AR in developing countries.
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