. 2019 Feb;39(1):9–17. doi: 10.14639/0392-100X-1905

Table I.

Comparison of clinical features of HPV-investigated and not investigated OPSCC patient groups.

Group	Sex	Age (years)	Stage^a				Surgery	Smoke^a	Alcohol^a	Recurrence^a		DSD^a	FU^a (months)
	M/F	Mean ± SD	0-1	2	3	4	T/N	Y/N^b	Y/N^c	Y/N	DFS (months)	Y/N
1992-2010	142/33	59.5 ± 9.6	9	25	37	69	49/45	24/27	32/10	63/18	57.8 ± 50.4	49/91	69.7 ± 54.1
Tested	45/8	59.9 ± 10.2	4	13	15	21	20/20	14/15	12/7	22/3	60.1 ± 52.7	24/24	74.8 ± 58.1
Untested	97/25	58.1 ± 10.72	5	12	22	48	29/25	10/12	20/3	41/15	54.2 ± 45.2	25/67	60 ± 44.3
p	Ns	Ns	Ns	Ns	Ns	Ns	Ns	Ns	Ns	Ns
2011-2015	65/16	63.5 ± 10.4	6	6	19	48	32/33	48/22	36/25	15/44	23.9 ± 14.4	17/60	22.0 ± 14.4
Tested	56/15	63.8 ± 10.3	5	6	16	43	25/25	42/21	29/25	11/42	25.2 ± 14.6	17/53	22.1 ± 14.7
Untested	9/1	61.5 ± 11.7	1	0	3	5	7/8	6/1	7/0	4/2	12.5 ± 4.5	0/7	20.7 ± 12.6
p	Ns	Ns	Ns	Ns	Ns	0.033	0.031	0.000	Ns	Ns

a: data not available for the complete case series

b: never smoker or former smoker (any number) quitting more than 5 years before cancer diagnosis

c: clinical or laboratory evidence of alcoholism

M: male; F: female; SD: standard deviation; Y: yes; N: no; DFS: disease-free survival; DSD: disease-specific death; FU: follow-up; Ns: not significant.