Table 2.

Association of HPV genotypes with high-grade histology in anal cancer screening sample

HPV genotypeHistology
Frequency (proportion %)
P
Normal or AIN 1 (n = 150)AIN 2/3 (n = 74)
501 (1)0.33
639 (26)21 (28)0.71
1121 (14)12 (16)0.66
16*47 (31)39 (53)0.002
18*19 (13)24 (32)0.0004
268 (5)5 (7)0.76
31*14 (9)23 (31)< 0.0001
33*20 (13)13 (18)0.40
35*16 (11)15 (20)0.05
39*19 (13)15 (20)0.14
407 (5)6 (8)0.36
4219 (13)14 (19)0.21
45*32 (21)17 (23)0.78
51*22 (15)13 (18)0.57
52*23 (15)20 (27)0.04
5328 (19)18 (24)0.32
549 (6)9 (12)0.11
5518 (12)14 (19)0.16
56*14 (9)12 (16)0.13
5719 (13)14 (19)0.21
58*29 (19)10 (14)0.35
59*14 (9)14 (19)0.04
6618 (12)8 (11)0.99
68*13 (9)14 (19)0.027
MM414 (9)6 (8)0.99
MM745 (30)18 (24)0.37
MM833 (22)19 (26)0.54
MM940 (27)21 (28)0.79
  • * Designated as high-risk (oncogenic) types based on association with cervical cancer.