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Confounding in observational studies based on large health care databases: problems and potential solutions – a primer for the clinician
Population-based health care databases are a valuable tool for observational studies as they reflect daily medical practice for large and representative populations. A constant challenge in observational designs is, however, to rule out confounding, and the value of these databases for a given study...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Dove Medical Press
2017
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5378455/ https://www.ncbi.nlm.nih.gov/pubmed/28405173 http://dx.doi.org/10.2147/CLEP.S129879 |