epitools (version 0.09)

odds.ratio: Risk ratio estimation and confidence intervals

Description

Calculates odds ratio and confidence interval with and without a smallsample adjustment

Usage

odds.ratio(ca1, co1, ca0, co0, conf.level = 0.95)

Arguments

ca1

number of exposed cases

co1

number of exposed controls

ca0

number of unexposed cases

co0

number of unexposed controls

conf.level

confidence level (default = 0.95)

Value

• $data
  Original data with marginal totals included
• $p.value
  Fishers Exact Test from 'fisher.test'
• $conf.level
  Confidence level
• $crude
  Estimate and confidence limits
• $adjusted
  Estimate and confidence limits with small sample adjustment

Details

This function Calculates the odds ratio and confidence interval, with and without a small sample adjustment, for a 2 x 2 table.

References

Jewell NP. Statistics for Epidemiology, 1st Edition, 2004, Chapman & Hall, pp. 73-81

See Also

See also risk.ratio, epitab

Examples

##From Jewell (2004), p. 79
odds.ratio(347, 555, 20, 88)