Description

Data frame containing the results of 19 trials comparing statins to placebo or usual care (Dias et al. 2011). The number of deaths (all-cause mortality) are recorded. In some studies the aim was primary prevention (patients had no previous heart disease), and in others the aim was secondary prevention (patients had previous heart disease).

Usage

Format

A data frame with 38 rows and 7 variables:

studyn

numeric study ID

studyc

study name

trtn

numeric treatment code

trtc

treatment name

prevention

primary or secondary prevention study

r

number of deaths

n

sample size

References

Dias S, Sutton AJ, Welton NJ, Ades AE (2011). “NICE DSU Technical Support Document 3: Heterogeneity: subgroups, meta-regression, bias and bias-adjustment.” National Institute for Health and Care Excellence. http://nicedsu.org.uk/.