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The fading of reported effectiveness. A meta-analysis of randomised controlled trials

BACKGROUND: The "real" effect size of a medical therapy is constant over time. In contrast, the effect size reported in randomised controlled trials (RCTs) may change over time because the sum of all kinds of bias influencing the reported effectiveness is not necessarily constant. As this...

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Detalles Bibliográficos
Autores principales: Gehr, Bernhard T, Weiss, Christel, Porzsolt, Franz
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2006
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1479361/
https://www.ncbi.nlm.nih.gov/pubmed/16689990
http://dx.doi.org/10.1186/1471-2288-6-25