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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...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Dove Medical Press
2012
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3373198/ https://www.ncbi.nlm.nih.gov/pubmed/22701093 http://dx.doi.org/10.2147/CLEP.S31271 |