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Sample Size Calculations for Clustered and Longitudinal Outcomes in Clinical Research
book

Sample Size Calculations for Clustered and Longitudinal Outcomes in Clinical Research

by Chul Ahn, Moonseoung Heo, Song Zhang
December 2014
Intermediate to advanced content levelIntermediate to advanced
260 pages
8h 51m
English
Chapman and Hall/CRC
Content preview from Sample Size Calculations for Clustered and Longitudinal Outcomes in Clinical Research
Preface
One of the most common questions statisticians encounter during interaction
with clinical investigators is “How many subjects do I need for this study?”
Clinicians are often surprised to find out that the required sample size depends
on a number of factors. Obtaining such information for sample size calcula-
tion is not trivial, and often involves preliminary studies, literature review,
and, more than occasionally, educated guess. The validity of clinical research
is judged not by the results but by how it is designed and conducted. Ac-
curate sample size calculation ensures that a study has adequate power to
detect clinically meaningful effects ...
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Publisher Resources

ISBN: 9781466556270