Table 1.

Prevalence of HPV in oral mouth swabs from partners and patients, stratified by tumor HPV status and sex

HPV mouth swab PCR result	All patient-partner pairs (N = 198)			HPV-negative tumor patient-partner pairs (N = 16)			HPV-positive tumor patient-partner pairs (N = 128)
	Partners, N (%a)	Patients, N (%)	P*	Partners, N (%)	Patients, N (%)	P*	Partners, N (%)	Patients, N (%)	P*
All negative	168 (84.9)	170 (85.9)		14 (87.5)	14 (87.5)		111 (86.7)	113 (88.3)
Oncogenic HPV positive	30 (15.2)	28 (14.1)	0.66	2 (12.5)	2 (12.5)	1.00	17 (13.3)	15 (11.7)	0.77
HPV16 positive	12 (6.1)	17 (8.6)	0.13	0 (0.0)	1 (6.3)	NA	5 (3.9)	9 (7.0)	0.13
Other HPV genotype positive	27 (13.6)	26 (13.1)	0.83	2 (12.5)	2 (12.5)	1.00	15 (11.7)	14 (10.9)	0.78
Multiple (≥2) genotypes positive	14 (7.1)	17 (8.6)	0.58	1 (6.3)	2 (12.5)	1.00	5 (3.9)	8 (6.3)	0.45
Female partners and male patients
HPV mouth swab PCR result	All male patient-female partner pairs (N = 160)			HPV-negative tumor male patient-female partner pairs (N = 13)			HPV-positive tumor male patient-female partner pairs (N = 101)
	Partners, N (%a)	Patients, N (%)	P*	Partners, N (%)	Patients, N (%)	P*	Partners, N (%)	Patients, N (%)	P*
All negative	134 (83.8)	137 (85.6)		11 (84.6)	11 (84.6)		85 (84.2)	88 (87.1)
Oncogenic HPV positive	26 (16.3)	23 (14.4)	0.49	2 (15.4)	2 (15.4)	1.00	16 (15.8)	13 (12.9)	0.55
HPV16 positive	10 (6.3)	14 (8.8)	0.22	0 (0.0)	1 (7.7)	NA	5 (5.0)	8 (7.9)	0.25
Other HPV genotype positive	23 (14.4)	21 (13.1)	0.65	2 (15.4)	2 (15.4)	1.00	14 (13.9)	12 (11.9)	0.56
Multiple (≥2) genotypes positive	12 (7.5)	14 (8.8)	0.77	1 (7.7)	2 (15.4)	1.00	5 (5.0)	7 (6.9)	0.69

*McNemar test (asymptotic or exact)

^aDenominators of all the percentages are the corresponding Ns in parentheses

NA = not assessed