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When do confounding by indication and inadequate risk adjustment bias critical care studies? A simulation study
INTRODUCTION: In critical care observational studies, when clinicians administer different treatments to sicker patients, any treatment comparisons will be confounded by differences in severity of illness between patients. We sought to investigate the extent that observational studies assessing trea...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4432515/ https://www.ncbi.nlm.nih.gov/pubmed/25925165 http://dx.doi.org/10.1186/s13054-015-0923-8 |