Statistical power in parallel group point exposure studies with time-to-event outcomes: an empirical comparison of the performance of randomized controlled trials and the inverse probability of treatment weighting (IPTW) approach

BACKGROUND: Estimating statistical power is an important component of the design of both randomized controlled trials (RCTs) and observational studies. Methods for estimating statistical power in RCTs have been well described and can be implemented simply. In observational studies, statistical metho...

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Veröffentlicht in:BMC Med Res Methodol
Hauptverfasser: Austin, Peter C., Schuster, Tibor, Platt, Robert W.
Format: Artigo
Sprache:Inglês
Veröffentlicht: BioMed Central 2015
Schlagworte:
Research Article
Online Zugang:https://ncbi.nlm.nih.gov/pmc/articles/PMC4608110/
https://ncbi.nlm.nih.gov/pubmed/26472109
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-015-0081-3
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