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Covariate adjustment increased power in randomized controlled trials: an example in traumatic brain injury
OBJECTIVE: We aimed to determine to what extent covariate adjustment could affect power in a randomized controlled trial (RCT) of a heterogeneous population with traumatic brain injury (TBI). STUDY DESIGN AND SETTING: We analyzed 14-day mortality in 9497 participants in the Corticosteroid Randomisat...
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| Main Authors: | , , , , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2011
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3589911/ https://ncbi.nlm.nih.gov/pubmed/22169080 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.jclinepi.2011.08.012 |
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