Supplementary Table 4.

Number of cases of answering yes/no about sexual encounter profile Q3 after 12 months treatment in different groups (P=0.660)

Groups	Yes	No	Yes (n, %)
C	2	20	9.1
T	3	21	12.5
V	3	19	13.6
T + V	5	18	21.7
Sum	13	78	14.3

Group C: control group; Group T: tadalafil 5 mg oral OaD; Group V: vacuum erectile devices treatment for 15 min twice daily; Group T + V: tadalafil 5 mg oral OaD combined vacuum erectile devices treatment for 15 min twice daily; OaD: once a day