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. Author manuscript; available in PMC: 2010 Mar 8.
Published in final edited form as: AIDS. 2009 Jan;23(3):377–383. doi: 10.1097/qad.0b013e32831c5497

Table 4.

Univariate effect of male circumcision on the female-to-male transmission probabilities of HIV and HSV-2

Transmission type Circumcision status Transmission probability* (95% CI) Relative Risk (95% CI)
HIV per sex act Circumcised
Uncircumcised		 0.0036 (0.0017–0.0067)
0.016 (0.010–0.026)		 0.23 (0.10–0.42) P< 0.001
1
HIV per partnership Circumcised
Uncircumcised		 0.014 (0.0079–0.030)
0.054 (0.045–0.10)		 0.26 (0.12–0.46) P< 0.001
1
HSV-2 per sex act Circumcised
Uncircumcised		 0.0074 (0.0049–0.0106)
0.013 (0.0092–0.019)		 0.56 (0.35–0.85) P=0.005
1
HSV-2 per partnership Circumcised
Uncircumcised		 0.029 (0.024–0.049)
0.048 (0.042–0.081)		 0.60 (0.39–0.88) P=0.001
1
*

Averaged on condom use and on the cofactor effect of the other virus.