Sample size estimation for randomised controlled trials with repeated assessment of patient-reported outcomes: what correlation between baseline and follow-up outcomes should we assume?

BACKGROUND: Patient-reported outcome measures (PROMs) are now frequently used in randomised controlled trials (RCTs) as primary endpoints. RCTs are longitudinal, and many have a baseline (PRE) assessment of the outcome and one or more post-randomisation assessments of outcome (POST). With such pre-t...

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Bibliographische Detailangaben
Veröffentlicht in:Trials
Hauptverfasser: Walters, Stephen J., Jacques, Richard M., dos Anjos Henriques-Cadby, Inês Bonacho, Candlish, Jane, Totton, Nikki, Xian, Mica Teo Shu
Format: Artigo
Sprache:Inglês
Veröffentlicht: BioMed Central 2019
Schlagworte:
Methodology
Online Zugang:https://ncbi.nlm.nih.gov/pmc/articles/PMC6743178/
https://ncbi.nlm.nih.gov/pubmed/31519202
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s13063-019-3671-2
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