IPSS , Qmax , and CSS were improved in both of the groups after medication , even more significantly in the experimental than in the control group ( IPSS : 15.22 2.98 vs 18.15 5.88 , P < 0.05 ; Qmax : [ 13.56 2.26 ] ml/s vs [ 11.78 2.97 ] ml/s , P < 0.05 ; CSS : 6.18 2.13 vs 9.52 3.15 , P < 0.05 ) .