Table 2.

Characteristics by p16 immunohistochemistry status for 42 head and neck squamous cell carcinoma cases in Lilongwe, Malawi

	p16	p16
Characteristic	positive	negative	P-value
	(n = 7)	(n = 35)
Male, n (%)	4	23	0.68
Age, mean years (SD)	49.1 (8.3)	54.3 (18.0)	0.47
Oropharynx/oral cavity, n (%)	5 (71%)	18 (51%)	0.43
HIV status, n (%)
Positive	1 (14%)	1 (3%)	0.43
Negative	3 (43%)	12 (34%)
Unknown	3 (43%)	22 (63%)
Tobacco use, n (%)			-
Any	0 (0%)	3 (9%)
None	1 (14%)	3 (9%)
Unknown	6 (86%)	29 (83%)
Alcohol use, n (%)			-
Any	0 (0%)	0 (0%)
None	1 (14%)	6 (17%)
Unknown	6 (86%)	29 (83%)

SD = standard deviation