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Benefits of ICU admission in critically ill patients: Whether instrumental variable methods or propensity scores should be used
BACKGROUND: The assessment of the causal effect of Intensive Care Unit (ICU) admission generally involves usual observational designs and thus requires controlling for confounding variables. Instrumental variable analysis is an econometric technique that allows causal inferences of the effectiveness...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2011
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3185268/ https://www.ncbi.nlm.nih.gov/pubmed/21936926 http://dx.doi.org/10.1186/1471-2288-11-132 |