Cargando…
Flexible Two-Phase studies for rare exposures: Feasibility, planning and efficiency issues of a new variant
The two-phase design consists of an initial (Phase One) study with known disease status and inexpensive covariate information. Within this initial study one selects a subsample on which to collect detailed covariate data. Two-phase studies have been shown to be efficient compared to standard case-co...
| Autores principales: | , , , |
|---|---|
| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2008
|
| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2602593/ https://www.ncbi.nlm.nih.gov/pubmed/18828892 http://dx.doi.org/10.1186/1742-5573-5-4 |