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Is it possible to estimate the minimal clinically important treatment effect needed to change practice in preterm birth prevention? Results of an obstetrician survey used to support the design of a trial

BACKGROUND: Sample sizes for obstetrical trials are often based on the opinion of investigators about clinically important effect size. We surveyed Canadian obstetricians to investigate clinically important effect sizes required before introducing new treatments into practice to prevent preterm birt...

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Detalles Bibliográficos
Autores principales: Ross, Sue, Milne, Jill, Dwinnell, Shannon, Tang, Selphee, Wood, Stephen
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2012
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3364141/
https://www.ncbi.nlm.nih.gov/pubmed/22429514
http://dx.doi.org/10.1186/1471-2288-12-31