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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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Bibliographic Details
Main Authors: Shahar, Eyal, Shahar, Doron J
Format: Artigo
Language:Inglês
Published: Dove Medical Press 2012
Subjects:
Online Access: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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