Table 2.

Mean number of infectious events (95% confidence intervals) observed in the endocervix and the ectocervix of monkeys after exposure to human papillomavirus-16 pseudovirus (PsV) with and without cytology and according to lubricant used^*

Site	PsV + Surgilube	Cytology + PsV + Surgilube	Cytology + PsV + iota-Carrageenan
Ectocervix	0.003 (0.001 to 0.011)	106 (41 to 271)	1.9 (0.32 to 10.9)
Endocervix	0 (0 to 0.008)	12.1 (4.0 to 37)	3.6 (1.3 to 10.2)

^*The number of infectious events per specimen was determined by observer 1. Each group contained four monkeys.