mhor {epicalc}R Documentation

Mantel-Haenszel odds ratio

Description

Mantel-Haenszel odds ratio calculation and graphing from a stratified case-control study

Usage

mhor(..., mhtable = NULL, decimal=2, graph = TRUE, design = "cohort") 

Arguments

... Three variables viz. 'outcome', 'exposure' and 'stratification'.
mhtable a 2-by-2-by-s table, where s (strata) is more than one
decimal number of decimal places displayed
graph If TRUE (default), produces an odds ratio plot
design Specification for graph; can be "case control","case-control", "cohort" or "prospective"

Details

'mhor' computes stratum-specific odds ratios and 95 percent confidence intervals and the Mantel-Haenszel odds ratio and chi-squared test is given as well as the homogeneity test. A stratified odds ratio graph is displayed.

Author(s)

Virasakdi Chongsuvivatwong <cvirasak@medicine.psu.ac.th>

See Also

'fisher.test', 'chisq.test'

Examples

data(Oswego)
use(Oswego)
cc(ill, chocolate)
mhor(ill, chocolate, sex)

mht1 <- table(ill, chocolate, sex)
dim(mht1)
mhor(mhtable=mht1) # same results


[Package epicalc version 2.10.1.1 Index]