At 8 weeks , the scores on NIH-CPSI , IIEF-5 , HADA and HADD were 6.83 + / - 4.96 , 21.03 + / - 2.54 , 6.05 + / - 1.62 , and 5.35 + / - 3.30 in the experimental group , as compared with 7.55 + / - 4.89 , 17.68 + / - 4.15 , 6.88 + / - 2.45 , and 7.85 + / - 3.77 in the control ( P < 0.05 ) .