aspirin {MetaAnalyser}

Aspirin meta-analysis data

Description

63 randomized controlled trials reported by Edwards et al. (1998) that each investigated the benefit of oral aspirin for pain relief.

Usage

data("aspirin")

Format

A data frame with 63 observations on the following 3 variables.

name

Study name

est

Study estimate: log-odds ratio for the proportion of patients in each arm who had at least a 50% reduction in pain

se

Corresponding standard errors

Details

This dataset is included in this package to demonstrate asymmetry in meta-analysis, where smaller studies tend to show larger effect size estimates, whereas larger studies tend to report more modest results.

Source

Edwards, J. E. Oldman, A., Smith, L., Collins, S. L., Carol, D., Wiffen, P. J., McQuay, H.J., and Moore, R.A. (1998) Single dose oral aspirin for acute pain. Cochrane Database of Systematic Reviews, 4.

Examples

## Not run: MetaAnalyser(aspirin)