Sample sizes based on three popular indices of risks

Sample size justification is a very crucial part in the design of clinical trials. In this paper, the authors derive a new formula to calculate the sample size for a binary outcome given one of the three popular indices of risk difference. The sample size based on the absolute difference is the fund...

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Bibliographic Details
Published in:Gen Psychiatr
Main Authors: Wang, Hongyue, Wang, Bokai, Tu, Xin M, Liu, Jinyuan, Feng, Changyong
Format: Artigo
Language:Inglês
Published: BMJ Publishing Group 2018
Subjects:
Biostatistical Methods in Psychiatry
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC6371655/
https://ncbi.nlm.nih.gov/pubmed/30815629
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/gpsych-2018-100011
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