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The validity of questionnaire-based diagnoses: the third Nord-Trøndelag Health Study 2006–2008

The Nord-Trøndelag Health Study (HUNT 3) performed in 2006–2008 is a replication of the cross-sectional survey from 1995 to 1997 (HUNT 2). The aim of the present study was to assess the sensitivity and specificity of questionnaire-based headache diagnoses using a personal interview by a neurologist...

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Detalles Bibliográficos
Autores principales: Hagen, Knut, Zwart, John-Anker, Aamodt, Anne Hege, Nilsen, Kristian Bernhard, Bråthen, Geir, Helde, Grethe, Stjern, Marit, Tronvik, Erling A., Stovner, Lars Jacob
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Milan 2009
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3452179/
https://www.ncbi.nlm.nih.gov/pubmed/19946790
http://dx.doi.org/10.1007/s10194-009-0174-7
Descripción
Sumario:The Nord-Trøndelag Health Study (HUNT 3) performed in 2006–2008 is a replication of the cross-sectional survey from 1995 to 1997 (HUNT 2). The aim of the present study was to assess the sensitivity and specificity of questionnaire-based headache diagnoses using a personal interview by a neurologist as a gold standard. For the questionnaire-based status as headache sufferer, a sensitivity of 88%, a specificity of 86%, and a kappa statistic of 0.70 were found. Chronic headache, chronic tension-type headache (TTH), and medication overuse headache (MOH) were diagnosed with a specificity of ≥99%, and a kappa statistic of ≥0.73. Lower figures were found for the diagnoses of migraine and TTH. For individuals with headache ≥1 day per month, a sensitivity of 58% (migraine) and 96% (TTH), a specificity of 91 and 69%, and a kappa statistic of 0.54 and 0.44 were found, respectively. The specificity for migraine with aura was 95%. In conclusion, the HUNT 3-questionnaire is a valid tool for identifying headache sufferers, and diagnosing patients with chronic headache, including chronic TTH and MOH. The more moderate sensitivity for migraine and TTH makes the questionnaire-based diagnoses of migraine and TTH suboptimal for determining the prevalence. However, the high specificity of the questionnaire-based diagnosis of migraine, in particular for migraine with aura, makes the questionnaire a valid tool for diagnosing patients with migraine for genetic studies.