Description

Data frame containing the results of 13 trials comparing BCG vaccination to no vaccination for preventing tuberculosis (TB) (Dias et al. 2011; Berkey et al. 1995). The numbers of individuals diagnosed with TB in each arm during the study follow-up period are recorded. The absolute degrees latitude at which the study was conducted are also recorded.

Usage

Format

A data frame with 26 rows and 6 variables:

studyn

numeric study ID

trtn

numeric treatment code

trtc

treatment name

latitude

absolute degrees latitude

r

number diagnosed with TB

n

sample size

References

Berkey CS, Hoaglin DC, Mosteller F, Colditz GA (1995). “A random-effects regression model for meta-analysis.” Statistics in Medicine, 14(4), 395–411. doi: 10.1002/sim.4780140406, https://doi.org/10.1002/sim.4780140406.

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/.