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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...
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| Main Authors: | , , , , , , , |
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| 格式: | Artigo |
| 語言: | Inglês |
| 出版: |
BMJ Publishing Group
2014
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| 主題: | |
| 在線閱讀: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4010839/ https://ncbi.nlm.nih.gov/pubmed/24760353 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/bmjopen-2014-004952 |
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