Table 2.

Prevalence of single, multiple, and mixed-HPV infections in cervix without SIL, with SIL and CC

	NSIL		LSIL		HSIL		CC
	n = 239	%	n = 901	%	n = 54	%	n = 291	%
HPV negative	74	30.9	1	0.1	0	0.0	5	1.7
HPV positive	165	69.1	900	99.9	54	100	286	98.3
Single HPV infection
HR	61	25.5	231	25.6	17	31.5	190	65.3
PHR	16	6.8	78	8.7	3	5.7	2	0.7
LR	19	7.9	95	10.5	0	0.0	2	0.7
UR	25	10.6	148	16.4	4	7.4	51	17.6
Total	121	50.8	552	61.2	24	44.6	245	84.3
Multiple HPV infection
HR	5	2.1	65	7.2	10	18.5	20	7.0
PHR	1	0.4	11	1.2	0	0.0	0	0.0
LR	1	0.4	7	0.8	1	1.8	2	0.7
UR	1	0.4	6	0.7	1	1.8	0	0.0
Total	8	3.3	89	9.9	12	22.1	22	7.7
Mixed HPV infection
HR and PHR	11	4.6	66	7.4	4	7.5	1	0.3
HR and LR	11	4.6	86	9.5	6	11.1	13	4.5
HR and UR	2	0.8	18	2.0	4	7.5	1	0.3
PHR and LR	4	1.7	26	2.9	1	1.8	1	0.3
PHR and UR	2	0.8	10	1.2	0	0.0	1	0.3
LR and UR	0	0.0	8	0.9	0	0.0	1	0.3
HR, PHR, and LR	4	1.7	31	3.4	0	0.0	1	0.3
HR, PHR, and UR	0	0.0	4	0.4	1	1.8	0	0.0
HR, LR, and UR	1	0.4	7	0.8	1	1.8	0	0.0
PHR, LR, and UR	1	0.4	0	0.0	0	0.0	0	0.0
HR, PHR, LR, and UR	0	0.0	3	0.3	1	1.8	0	0.0
Total	36	15.0	259	28.8	18	33.3	19	6.3

NSIL Non-squamous intraepithelial lesions, LSIL Low-grade squamous intraepithelial lesions, HSIL High-grade squamous intraepithelial lesions, CC Cervical cancer, HR High risk, PHR Probably high risk, LR Low risk, UR Undeterminate risk, Single HPV Infection with one genotype, Multiple HPV Infection with two genotypes of the same-risk group, Mixed HPV Infection with genotypes of different oncogenic risk groups