Clinical Study

Effects of Adult Male Circumcision on Premature Ejaculation: Results from a Prospective Study in China

Table 1

Demographic information and sexual status for all subjects (circumcision and control groups) before circumcision.

AllCircumcision groupControl group value
()()()

Age, years35.88 ± 10.4235.29 ± 9.8136.42 ± 11.300.53
Lifestyle
 Smoking734 (61.27)359 (62.43)375 (60.19)0.43
 Alcohol542 (45.24)272 (47.30)270 (43.34)0.17
Educational status0.49
 Primary school153 (12.77)82 (14.26)71 (11.40)
 Middle school204 (17.03)99 (17.22)105 (16.85)
 High school436 (36.39)205 (35.65)231 (37.08)
 University405 (33.81)189 (32.87)216 (34.67)
Occupational status0.62
 Workers232 (19.37)115 (20.00)117 (18.78)
 Drivers167 (13.94)76 (13.22)91 (14.61)
 Famers295 (24.62)141 (24.52)154 (24.72)
 Officials139 (11.60)60 (10.43)79 (12.68)
 Other occupations365 (30.47)183 (31.83)182 (29.21)
Monthly income, RMB1630.16 ± 257.231,613.27 ± 244.161645.74 ± 280.250.57
Resident 0.31
 Urban768 (64.11)377 (65.57)391 (62.76)
 Rural430 (35.89)198 (34.43)232 (37.24)
Duration of the relationship, years9.70 ± 4.219.63 ± 4.039.75 ± 4.590.41
Frequency of sexual intercourse, time/4 weeks6.61 ± 3.246.45 ± 3.856.74 ± 4.450.39
Self-estimated IELT, minutes1.56 ± 0.751.58 ± 0.741.55 ± 0.780.74
IIEF-5, scores22.03 ± 4.8222.05 ± 4.7422.01 ± 4.920.67

Data were expressed as number (percentage) or mean ± standard deviation.
Differences between circumcision and control groups were assessed by Chi-square test or -test, as appropriate.
RMB: Renminbi; IELT: intravaginal ejaculatory latency time; IIEF-5: 5-item version of the International Index of Erectile Function.