sasLM (version 0.10.5)

ORcmh: Odds Ratio of two groups with strata by CMH method

Description

Odds ratio and its score confidence interval of two groups with stratification by Cochran-Mantel-Haenszel method

Usage

ORcmh(d0, conf.level=0.95)

Value

The following output will be returned for each stratum and common value. There is no standard error.

odd1

odd from the first group, y1/(n1 - y1)

odd2

odd from the second group, y2/(n2 - y2)

OR

odds ratio, odd1/odd2. The point estimate of common OR is calculated with MH weight.

lower

lower confidence limit of OR

upper

upper confidence limit of OR

Arguments

d0

A data.frame or matrix, of which each row means a strata. This should have four columns named y1, n1, y2, and n2; y1 and y2 for events of each group, n1 and n2 for sample size of each strata. The second group is usually the control group.

conf.level

confidence level

Author

Kyun-Seop Bae [e-mail]

Details

It calculates odds ratio and its score confidence interval of two groups. This can be used for meta-analysis also.

See Also

RDmn1, RRmn1, ORmn1, RDmn, RRmn, ORmn, RDinv, RRinv, ORinv

Examples

  d1 = matrix(c(25, 339, 28, 335, 23, 370, 40, 364), nrow=2, byrow=TRUE)
  colnames(d1) =  c("y1", "n1", "y2", "n2")
  ORcmh(d1)