ormidp.test {epitools}R Documentation

odds ratio test for independence (p value) for a 2x2 table

Description

Test for independence using the mid-p method (Rothman 1998)

Usage

ormidp.test(a1, a0, b1, b0, or = 1)

Arguments

a1 number of exposed cases
a0 number of unexposed cases
b1 number of exposed noncases (controls)
b0 number of unexposed noncases (controls)
or odds ratio reference value (default is no association)

Details

Test for independence using the mid-p method (Rothman 1998)

Value

$one.sided one-sided p value
$two.sided two-sided p value

Note

Visit http://www.epitools.net for the latest.

Author(s)

Tomas Aragon, aragon@berkeley.edu, http://www.medepi.com

References

Kenneth J. Rothman and Sander Greenland (1998), Modern Epidemiology, Lippincott-Raven Publishers

Kenneth J. Rothman (2002), Epidemiology: An Introduction, Oxford University Press

Nicolas P. Jewell (2004), Statistics for Epidemiology, 1st Edition, 2004, Chapman & Hall, pp. 73-81

See Also

tab2by2.test, oddsratio, riskratio

Examples

##rothman p. 243
ormidp.test(12,2,7,9)

##jewell p. 79
ormidp.test(347,555,20,88)

[Package epitools version 0.5-3 Index]