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Validation of low‐dose aspirin prescription data in The Health Improvement Network: how much misclassification due to over‐the‐counter use?
PURPOSE: We aimed to quantify the extent of over‐the‐counter (OTC) low‐dose aspirin use among patients in The Health Improvement Network (THIN) in the UK. METHODS: In September 2013, a random sample of low‐dose aspirin users (75 past users and 75 never users) was identified based on prescriptions re...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
John Wiley and Sons Inc.
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5064646/ https://www.ncbi.nlm.nih.gov/pubmed/26660710 http://dx.doi.org/10.1002/pds.3926 |