Korean J Anesthesiol.  2016 Aug;69(4):327-331. 10.4097/kjae.2016.69.4.327.

Considerations when calculating the sample size for an inequality test

Affiliations
  • 1Department of Anesthesiology and Pain Medicine, Dongguk University Ilsan Hospital, Goyang, Korea. dragona1@dumc.or.kr

Abstract

Calculating the sample size is a vital step during the planning of a study in order to ensure the desired power for detecting clinically meaningful differences. However, estimating the sample size is not always straightforward. A number of key components should be considered to calculate a suitable sample size. In this paper, general considerations for conducting sample size calculations for inequality tests are summarized.

Keyword

Clinical study; Inequality test; Power; Sample size calculation

MeSH Terms

Clinical Study
Sample Size*
Socioeconomic Factors*
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