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Study filters for non-randomized studies of interventions consistently lacked sensitivity upon external validation

BACKGROUND: Little evidence is available on searches for non-randomized studies (NRS) in bibliographic databases within the framework of systematic reviews. For instance, it is currently unclear whether, when searching for NRS, effective restriction of the search strategy to certain study types is p...

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Detalles Bibliográficos
Autores principales: Hausner, Elke, Metzendorf, Maria-Inti, Richter, Bernd, Lotz, Fabian, Waffenschmidt, Siw
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6299552/
https://www.ncbi.nlm.nih.gov/pubmed/30563471
http://dx.doi.org/10.1186/s12874-018-0625-4