Relative Risk in Parallel Design test for Equality

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Description

Ho: OR=1

Ha: not equal to 1

Usage

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RelativeRisk.Equality(alpha, beta, or, k, pt, pc)

Arguments

alpha

significance level

beta

power = 1-beta

or

or=pt(1-pc)/pc(1-pt)

k

k=nT/nC

pt

the probability of observing an outcome of interest for a patient treatment by a test treatment

pc

the probability of observing an outcome of interest for a patient treatment by a control

References

Chow SC, Shao J, Wang H. Sample Size Calculation in Clinical Research. New York: Marcel Dekker, 2003

Examples

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Example.4.6.4<-RelativeRisk.Equality(0.05,0.2,2,1,0.4,0.25)
Example.4.6.4

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