Table 2. Comparison of oral rinse results with tumor status: both oropharynx and oral cavity cohorts combined.

		Tumor p16 Status		Total
		Positive	Negative
Oral rinse Results by HPV PCR	HPV16 or HPV18 Positive	34	6	40
	HPV16 or HPV18 Negative	9	57	66
Total		43	63	106

Sensitivity = 79.1%, Specificity =90.5%, PPV = 85.0%, and NPV = 86.4%.