I am using the forestplot() function, like so:
tabletext <- cbind(c("Studies","Group 1 ","Group 2 ",NA,"Summary"),
c("OR ","1.05 [0.90,1.20]","1.30 [1.20,1.40]",NA,"1.20 [1.10,1.30]"))
m <- c(NA,0.05,0.30,NA,0.175)
l <- c(NA,-0.10,0.20,NA,0.05)
u <-...