Table 2.

Human papilloma virus status

HPV type	Group 1 (n=58)	Group 2 (n=56)	Group 3 (n=57)	Group 4 (n=57)	P-valuea)
Negative	16 (27.6)	15 (27.3)	24 (42.1)	24 (42.1)	0.044
HPV type 16	13 (22.4)	10 (18.2)	14 (24.6)	8 (14.0)
HPV type 18	2 (3.4)	2 (3.6)	3 (5.3)	2 (3.5)
HPV type 16+18	6 (10.3)	8 (14.5)	3 (5.3)	2 (3.5)
HPV type non 16-18	15 (25.9)	19 (34.5)	8 (14.0)	10 (17.5)
HPV type 16 or 18+HPV-N	6 (10.3)	1 (1.8)	5 (8.8)	11 (19.3)

Values are presented as number (%). Hybrid capture 2 technology was used for detection of 13 high-risk HPV types.

HPV, human papilloma virus; HPV-N, non 16-18 high-risk HPV types.

^a)Ki-Kare test.