Clinical Study

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 months6 months9 months12 months

(A) How do you rate your confidence about getting and keeping an erection?
Circumcision group4.29 ± 1.214.24 ± 1.194.24 ± 1.204.27 ± 1.164.33 ± 1.19
Control group4.30 ± 1.144.31 ± 1.164.30 ± 1.194.34 ± 1.174.32 ± 1.16

(B) When you had erections with sexual stimulation, how often were your erections hard enough for penetration?
Circumcision group4.65 ± 1.434.52 ± 1.384.60 ± 1.324.59 ± 1.444.62 ± 1.37
Control group4.59 ± 1.394.65 ± 1.404.63 ± 1.374.68 ± 1.524.60 ± 1.40

(C) During sexual intercourse, how often were you able to maintain your erection after you had penetrated your partner?
Circumcision group4.41 ± 1.764.45 ± 1.694.31 ± 1.824.28 ± 1.804.31 ± 1.74
Control group4.39 ± 1.694.40 ± 1.724.34 ± 1.704.34 ± 1.654.33 ± 1.73

(D) During sexual intercourse, how difficult was it to maintain your erection to the completion of intercourse?
Circumcision group4.62 ± 1.454.56 ± 1.474.52 ± 1.394.58 ± 1.424.59 ± 1.39
Control group4.64 ± 1.504.60 ± 1.514.60 ± 1.464.60 ± 1.484.61 ± 1.50

(E) When you attempted sexual intercourse, how often was it satisfactory for you?
Circumcision group4.08 ± 1.23c,d,e4.25 ± 1.30c,d,e4.70 ± 1.29a,b,f4.72 ± 1.32a,b,f4.46 ± 1.29a,b,f
Control group4.09 ± 1.284.24 ± 1.274.32 ± 1.314.35 ± 1.284.30 ± 1.34

(F) Total scores
Circumcision group22.05 ± 4.7422.03 ± 5.0122.37 ± 4.9022.44 ± 4.9822.31 ± 5.21
Control group22.01 ± 4.9222.20 ± 4.9222.19 ± 4.9522.31 ± 5.1422.16 ± 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.