Effects of Adult Male Circumcision on Premature Ejaculation: Results from a Prospective Study in China
Table 3
Outcomes of IIEF-5 for all subjects at baseline and each follow-up visit.
Baseline ()
Follow-up
3 months
6 months
9 months
12 months
(A) How do you rate your confidence about getting and keeping an erection?
Circumcision group
4.29 ± 1.21
4.24 ± 1.19
4.24 ± 1.20
4.27 ± 1.16
4.33 ± 1.19
Control group
4.30 ± 1.14
4.31 ± 1.16
4.30 ± 1.19
4.34 ± 1.17
4.32 ± 1.16
(B) When you had erections with sexual stimulation, how often were your erections hard enough for penetration?
Circumcision group
4.65 ± 1.43
4.52 ± 1.38
4.60 ± 1.32
4.59 ± 1.44
4.62 ± 1.37
Control group
4.59 ± 1.39
4.65 ± 1.40
4.63 ± 1.37
4.68 ± 1.52
4.60 ± 1.40
(C) During sexual intercourse, how often were you able to maintain your erection after you had penetrated your partner?
Circumcision group
4.41 ± 1.76
4.45 ± 1.69
4.31 ± 1.82
4.28 ± 1.80
4.31 ± 1.74
Control group
4.39 ± 1.69
4.40 ± 1.72
4.34 ± 1.70
4.34 ± 1.65
4.33 ± 1.73
(D) During sexual intercourse, how difficult was it to maintain your erection to the completion of intercourse?
Circumcision group
4.62 ± 1.45
4.56 ± 1.47
4.52 ± 1.39
4.58 ± 1.42
4.59 ± 1.39
Control group
4.64 ± 1.50
4.60 ± 1.51
4.60 ± 1.46
4.60 ± 1.48
4.61 ± 1.50
(E) When you attempted sexual intercourse, how often was it satisfactory for you?
Circumcision group
4.08 ± 1.23c,d,e
4.25 ± 1.30c,d,e
4.70 ± 1.29a,b,f
4.72 ± 1.32a,b,f
4.46 ± 1.29a,b,f
Control group
4.09 ± 1.28
4.24 ± 1.27
4.32 ± 1.31
4.35 ± 1.28
4.30 ± 1.34
(F) Total scores
Circumcision group
22.05 ± 4.74
22.03 ± 5.01
22.37 ± 4.90
22.44 ± 4.98
22.31 ± 5.21
Control group
22.01 ± 4.92
22.20 ± 4.92
22.19 ± 4.95
22.31 ± 5.14
22.16 ± 5.30
IIEF-5: 5-item version of the International Index of Erectile Function.
aSignificant difference compared with baseline; bsignificant difference compared with 3 months; csignificant difference compared with 6 months; dsignificant difference compared with 9 months; esignificant difference compared with 12 months; fsignificant difference compared with control group.