dat.bjelakovic {altmeta}

A Meta-Analysis on the Beneficial and Harmful Effects of Vitamin D Supplementation for the Prevention of Mortality in Healthy Adults and Adults in a Stable Phase of Disease

Description

This meta-analysis serves as an example to illustrate the usage of the function meta.pen.

Usage

data("dat.ha")

Format

A data frame containing 53 studies.

n1

the sample size in the treatment group in each study.

n2

the sample size in the control group in each study.

r1

the event count in the treatment group in each study.

r2

the event count in the control group in each study.

y

the observed effect size (log odds ratio) for each study in the meta-analysis.

s2

the within-study variance for each study.

Source

Bjelakovic G, Gluud LL, Nikolova D, Whitfield K, Wetterslev J, Simonetti RG, Bjelakovic M, Gluud C (2014). "Vitamin D supplementation for prevention of mortality in adults." Cochrane Database of Systematic Reviews, 7. Art. No.: CD007470. <doi: 10.1002/14651858.CD007470.pub3>