Table 3.

Oral HPV genotype distribution by country in the HIM study oral subcohort

	Brazil (N = 1,198) n (%)	Mexico (N = 1,005) n (%)	USA (N =895) n (%)	p-value1
High-risk HPV types
HPV 16	20 (1.7)	18 (1.8)	14 (1.6)	0.93
HPV 18	8 (0.7)	5 (0.5)	2 (0.2)	0.39
HPV 31	2 (0.2)	4 (0.4)	2 (0.2)	0.61
HPV 33	1 (0.1)	0 (0.0)	4 (0.5)	0.04
HPV 35	1 (0.1)	3 (0.3)	4 (0.5)	0.23
HPV 39	3 (0.3)	15 (1.5)	4 (0.5)	<0.01
HPV 45	2 (0.2)	5 (0.5)	1 (0.1)	0.26
HPV 51	9 (0.8)	15 (1.5)	7 (0.8)	0.16
HPV 52	10 (0.8)	5 (0.5)	7 (0.8)	0.61
HPV 56	10 (0.8)	4 (0.4)	3 (0.3)	0.28
HPV 58	3 (0.3)	3 (0.3)	1 (0.1)	0.80
HPV 59	2 (0.2)	3 (0.3)	2 (0.2)	0.89
HPV 68	0 (0.0)	1 (0.1)	0 (0.0)	0.61
Low-risk HPV types
HPV 6	13 (1.1)	13 (1.3)	4 (0.5)	0.15
HPV 11	2 (0.2)	6 (0.6)	0 (0.0)	0.03
HPV 34	0 (0.0)	0 (0.0)	0 (0.0)	n/a
HPV 40	0 (0.0)	0 (0.0)	0 (0.0)	n/a
HPV 42	0 (0.0)	0 (0.0)	0 (0.0)	n/a
HPV 43	0 (0.0)	0 (0.0)	1 (0.1)	0.29
HPV 44	2 (0.2)	2 (0.2)	1 (0.1)	1.00
HPV 53	9 (0.8)	4 (0.4)	6 (0.7)	0.55
HPV 54	4 (0.3)	0 (0.0)	0 (0.0)	0.04
HPV 66	13 (1.1)	4 (0.4)	10 (1.1)	0.14
HPV 70	0 (0.0)	1 (0.1)	1 (0.1)	0.53
HPV 74	9 (0.8)	5 (0.5)	6 (0.7)	0.76

¹p-values were corrected for multiple comparisons using Benjamini and Hochberg method.