After 8 weeks of medication , the IIEF-5 and AMS scores were significantly improved as compared with the baseline both in the treatment group ( 17.7 + / - 3.5 vs 10.2 + / - 2.7 and 36.2 + / - 6.5 vs 48.8 + / - 5.8 ) and in the control group ( 16.7 + / - 2.6 vs 9.3 + / - 2.4 and 35.8 + / - 6.6 vs 50.7 + / - 5.0 ) ( both P < 0.05 ) , with no significant differences between the two groups ( P > 0.05 ) .