metadat (version 1.4-0)

dat.lee2004: Studies on Acupoint P6 Stimulation for Preventing Nausea

Description

Results from studies examining the effectiveness of wrist acupuncture point P6 stimulation for preventing postoperative nausea.

Usage

dat.lee2004

Format

The data frame contains the following columns:

id	numeric	trial id number
study	character	first author
year	numeric	study year
ai	numeric	number of patients experiencing nausea in the treatment group
n1i	numeric	total number of patients in treatment group
ci	numeric	number of patients experiencing nausea in the sham group
n2i	numeric	total number of patients in the sham group

Author

Wolfgang Viechtbauer, , https://www.metafor-project.org

Concepts

medicine, alternative medicine, risk ratios

Details

Postoperative nausea and vomiting are common complications following surgery and anaesthesia. As an alternative to drug therapy, acupuncture has been studied as a potential treatment in several trials. The dataset contains the results from 16 clinical trials examining the effectiveness of wrist acupuncture point P6 stimulation for preventing postoperative nausea.

Examples

### copy data into 'dat' and examine data
dat <- dat.lee2004
dat

if (FALSE) {
### load metafor package
library(metafor)

### meta-analysis based on log risk ratios
res <- rma(measure="RR", ai=ai, n1i=n1i, ci=ci, n2i=n2i, data=dat)
res
predict(res, transf=exp, digits=2)
}