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Validity of physician-diagnosed COPD in relation to spirometric definitions of COPD in a general population aged 50–64 years – the SCAPIS pilot study
BACKGROUND: In epidemiological studies, items about physician-diagnosed COPD are often used. There is a lack of validation and standardization of these items. MATERIALS AND METHODS: In a general population-based study, 1,050 subjects completed a questionnaire and performed spirometry, including forc...
| Autores principales: | , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Dove Medical Press
2017
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5552141/ https://www.ncbi.nlm.nih.gov/pubmed/28831247 http://dx.doi.org/10.2147/COPD.S136308 |