Can analyses of electronic patient records be independently and externally validated? Study 2—the effect of β-adrenoceptor blocker therapy on cancer survival: a retrospective cohort study

OBJECTIVES: To conduct a fully independent, external validation of a research study based on one electronic health record database using a different database sampling from the same population. DESIGN: Retrospective cohort analysis of β-blocker therapy and all-cause mortality in patients with cancer....

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Detalles Bibliográficos
Autores principales: Springate, David A, Ashcroft, Darren M, Kontopantelis, Evangelos, Doran, Tim, Ryan, Ronan, Reeves, David
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BMJ Publishing Group 2015
Materias:
General practice / Family practice
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4401857/
https://www.ncbi.nlm.nih.gov/pubmed/25869690
http://dx.doi.org/10.1136/bmjopen-2014-007299

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4401857/
https://www.ncbi.nlm.nih.gov/pubmed/25869690
http://dx.doi.org/10.1136/bmjopen-2014-007299

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