use dta/diuretic, clear

gen logor=log((rt/(nt-rt))/(rc/(nc-rc)))
gen selogor=sqrt((1/rc)+(1/(nc-rc))+(1/rt)+(1/(nt-rt)))
meta logor selogor, ef

meta logor selogor, ef graph(r) id(trialid) cline xlab(0.5,1,1.5) xline(1) /* 
*/ boxsh(4) b2("Odds ratio - log scale") saving(sharp1.gph,replace)

meta logor selogor, ef graph(e) id(trialid) cline xlab(0.5,1,1.5) xline(1) /*
*/ boxsh(2) b2("Odds ratio - log scale") saving(sharp2.gph,replace)