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Can analyses of electronic patient records be independently and externally validated? The effect of statins on the mortality of patients with ischaemic heart disease: a cohort study with nested case–control analysis
OBJECTIVE: To conduct a fully independent and external validation of a research study based on one electronic health record database, using a different electronic database sampling the same population. DESIGN: Using the Clinical Practice Research Datalink (CPRD), we replicated a published investigat...
Autores principales: | Reeves, David, Springate, David A, Ashcroft, Darren M, Ryan, Ronan, Doran, Tim, Morris, Richard, Olier, Ivan, Kontopantelis, Evangelos |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4010839/ https://www.ncbi.nlm.nih.gov/pubmed/24760353 http://dx.doi.org/10.1136/bmjopen-2014-004952 |
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