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I performed a meta-analysis using the meta package, metagen function in R but the output is just effect estimates with confidence intervals and not p-values. Can anyone suggest how to derive the -pvalue for each subgroup ?

Thanks!

code:

meta_analysis_data <- meta_analysis_data[meta_analysis_data$method=="Inverse variance weighted",]
metaanalysis <- metagen(TE,seTE,data=meta_analysis_data,studlab = Study,comb.random=TRUE, method.tau="DL",prediction = TRUE,sm="SMD")
metanalysis <- update.meta(metaanalysis,byvar=meta_analysis_data$outcome,comb.random=TRUE,comb.fixed=FALSE)
sink("results_metaanalysis.txt")
print(metanalysis)
sink()
rkl
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  • At least, please mention the `meta`-function you are using. – Pax May 26 '22 at 21:49
  • If you've never stumbled across our guidelines/tutorial on [how to make a reproducible example](https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example) now is the perfect time. – jay.sf May 27 '22 at 06:41

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