Stata的相关命令(得到图3):gen loghr=log(hr)gen logll=log(ll)gen logul=log(ul)metan loghr logll logul, lcols ( Subgroup n) by(group) nosubgroup fixed eform nooverall effect("Hazard Ratio") xlabel(0.5, 1.0, 1.5, 2.0, 3.