| dat.lee2004 {metafor} | R Documentation |
Results from studies examining the effectiveness of wrist acupuncture point P6 stimulation for preventing postoperative nausea.
dat.lee2004
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 |
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.
Lee, A., & Done, M. L. (2004). Stimulation of the wrist acupuncture point P6 for preventing postoperative nausea and vomiting. Cochrane Database of Systematic Reviews, 3, CD003281.
### load data dat <- get(data(dat.lee2004)) ### 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)