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Selecting patients for randomized trials: a systematic approach based on risk group
BACKGROUND: A key aspect of randomized trial design is the choice of risk group. Some trials include patients from the entire at-risk population, others accrue only patients deemed to be at increased risk. We present a simple statistical approach for choosing between these approaches. The method is...
| Autores principales: | , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2006
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1609186/ https://www.ncbi.nlm.nih.gov/pubmed/17022818 http://dx.doi.org/10.1186/1745-6215-7-30 |