nmafunnel {NMA} | R Documentation |
Comparison-adjusted funnel plot
Description
A comparison-adjusted funnel plot for the studies involving treatment 1 (reference treatment specified in setup
) is generated.
Usage
nmafunnel(x, method="NH", legends="topright")
Arguments
x |
Output object of |
method |
Estimation and prediction method. |
legends |
Location of the legend on the plot (default: |
Value
Comparison-adjusted funnel plot for the studies involving treatment 1 (reference treatment specified in setup
) is presented.
-
coding
: A table that presents the correspondence between the numerical code and treatment categories (the reference category is coded as 1). -
summary
:design
: design of studies,N
: number of the corresponding studies,n
: total sample size.
References
Chaimani, A. and Salanti, G. (2012). Using network meta-analysis to evaluate the existence of small-study effects in a network of interventions. Research Synthesis Methods 3, 161–176.
Chaimani, A., Higgins, J. P., Mavridis, D., Spyridonos, P., and Salanti, G. (2013). Graphical tools for network meta-analysis in Stata. PLoS One 8, e76654.
Examples
data(heartfailure)
hf2 <- setup(study=study,trt=trt,d=d,n=n,measure="OR",ref="Placebo",data=heartfailure)
hf4 <- setup(study=study,trt=trt,d=d,n=n,measure="RD",ref="Placebo",data=heartfailure)
nmafunnel(hf2,legends="bottomright")
nmafunnel(hf4)