After treatment , the score of I-PSS was decreased from 16.95.6 to 12.54.6 in the treatment group , significantly lower compared with the control group ; the levels of Qmax and Qave were from 10.93.5 to 15.64.5 and 5.42.1 to 7.32.5 ( mL/s ) in the treatment group , significantly higher compared with the control group ; the levels of RUV and TPV were from 70.828.2 to 35.221.8 and 37.216.9 to 30.110.8 ( mL ) in the treatment group , significantly lower compared with the control group ( all P < 0.05 ) .