Table 5.

Summary of the incidence of sexually transmitted infections during follow-up in a randomized, controlled trial of Carraguard in Gugulethu and Ga-Rankuwa, South Africa, by treatment group; intent-to-treat population (1999-2002)

	Carraguard (N = 205)				Placebo (N = 195)
	No. of events	No. of women	% of women	Incidence Rate (IR), per 100 woman-years	No. of events	No. of women	% of women	Incidence Rate (IR), per 100 woman-years	Rate ratio (95% CI), Carraguard vs. placebo
									1.08
Chlamydia	33	25	12.2	14.64	31	22	11.3	13.63	(0.58, 2.00 )
									0.86
Gonorrhea	42	34	16.6	21.23	46	38	19.5	24.64	(0.53, 1.41 )
									0.96
HIV	8	8	3.9	4.43	8	8	4.1	4.59	(0.32, 2.94)
									0.55
Syphilis	8	7	3.4	3.92	15	12	6.2	7.15	(0.18, 1.52 )
									1.61
Trichomoniasis	37	28	13.7	16.67	25	17	8.7	10.26	(0.86, 3.13 )

Source: Lab follow-up database.