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Outcome based subgroup analysis: a neglected concern
BACKGROUND: A subgroup of clinical trial subjects identified by baseline characteristics is a proper subgroup while a subgroup determined by post randomization events or measures is an improper subgroup. Both types of subgroups are often analyzed in clinical trial papers. Yet, the extensive scrutiny...
| Autores principales: | , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2009
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2693510/ https://www.ncbi.nlm.nih.gov/pubmed/19454041 http://dx.doi.org/10.1186/1745-6215-10-33 |