netmeta (version 0.9-0)

Woods2010: Count statistics of survival data

Description

Count mortality statistics in randomised controlled trials of treatments for chronic obstructive pulmonary disease (Woods et al. (2010), Table 1).

Usage

data(Woods2010)

Format

A data frame with the following columns:

author

First author / study name

treatment

Treatment

r

Number of deaths in treatment arm

N

Number of patients in treatment arm

Source

Woods BS, Hawkins N, Scott DA (2010). Network meta-analysis on the log-hazard scale, combining count and hazard ratio statistics accounting for multi-arm trials: A tutorial. BMC Medical Research Methodology 10, 54.

See Also

pairwise, metabin, netmeta

Examples

data(Woods2010)

# Transform data from long arm-based format to contrast-based format
# Argument 'sm' has to be used for odds ratio as summary measure; by
# default the risk ratio is used in the metabin function called
# internally.
p1 <- pairwise(treatment, event = r, n = N,
               studlab = author, data = Woods2010, sm = "OR")
p1

# Conduct network meta-analysis
net1 <- netmeta(TE, seTE, treat1, treat2, studlab, data = p1)
net1