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Stratified sampling design and loss to follow-up in survival models: evaluation of efficiency and bias

BACKGROUND: Longitudinal studies often employ complex sample designs to optimize sample size, over-representing population groups of interest. The effect of sample design on parameter estimates is quite often ignored, particularly when fitting survival models. Another major problem in long-term coho...

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Detalles Bibliográficos
Autores principales:	César, Cibele C, Carvalho, Marilia S
Formato:	Online Artículo Texto
Lenguaje:	English
Publicado:	BioMed Central 2011
Materias:	Research Article
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3144452/ https://www.ncbi.nlm.nih.gov/pubmed/21703013 http://dx.doi.org/10.1186/1471-2288-11-99

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