Table 3.

Occurrence of HPV DNA by PCR in relation to cytological diagnosis at the initial examination.

	n	Number of women with positive cytology
		HPV-16a	HPV-18b	Bothc
Normal	110	15	3	14
Abnormal	10	1	1	4

^aInfection with HPV-16 only. Fisher's exact test P=0.604

^bInfection with HPV-18 only. Fisher's exact test P=0.297

^cInfection with both HPV-16 and HPV-18. Fisher's exact test P=0.042

^dCytological changes (CIN-I or less) seen in Pap smear tests