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Causal diagrams and the logic of matched case-control studies
It is tempting to assume that confounding bias is eliminated by choosing controls that are identical to the cases on the matched confounder(s). We used causal diagrams to explain why such matching not only fails to remove confounding bias, but also adds colliding bias, and why both types of bias are...
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| Autors principals: | , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
Dove Medical Press
2012
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3373198/ https://ncbi.nlm.nih.gov/pubmed/22701093 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.2147/CLEP.S31271 |
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