Dear Sir or Madam,



I am trying to plot forest plot. I extracted odds ratio and their corresponding 95% confidence interval from papers, then I calculated the log(OR) and standard error using the following command

OR<-metagen(logOR,selogOR,sm="OR")

forest(OR,comb.fixed=TRUE,comb.random=TRUE,digits=2)



However, it does not produce a forest plot. Can someone kindly help? Thank you in advance.



Best wishes

weiwei

           
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