HPV type distribution in invasive cervical cancers in Italy: pooled analysis of three large studies

Table 1 HPV types by histotype

	Squamous cell carcinoma		Adenocarcinoma and Adenosquamous cell carcinoma		Total*
ALL	508		61		574
	N	%	N	%	N	%
HPV negative	23	4.5	1	1.6	24	4.2
HPV types
6	2	0.4	0	0.0	2	0.4
16	336	69.3	35	58.3	373	67.8
18	42	8.7	14	23.3	59	10.7
31	46	9.5	3	5.0	49	8.9
33	14	2.9	0	0.0	14	2.5
35	9	1.9	3	5.0	12	2.2
39	5	1.0	0	0.0	5	0.9
42	2	0.4	0	0.0	2	0.4
45	31	6.4	8	13.3	39	7.1
51	7	1.4	0	0.0	7	1.3
52	9	1.9	0	0.0	9	1.6
53	3	0.6	1	1.7	4	0.7
56	5	1.0	1	1.7	6	1.1
58	16	3.3	3	5.0	19	3.5
59	5	1.0	1	1.7	6	1.1
66	5	1.0	0	0.0	5	0.9
67	1	0.2	0	0.0	1	0.2
68	3	0.6	0	0.0	3	0.5
70	4	0.8	0	0.0	4	0.7
73	9	1.9	0	0.0	9	1.6
82	1	0.2	0	0.0	1	0.2
not typed	4	0.8	3	5.0	7	1.3

*including five other minor histotypes; three cases with HVP type 18 and two cases with HVP type 16.

ISSN: 1750-9378