Table 1.

Epidemiological and clinical characteristics of patients

		Oropharynx		Oral cavity		Total
		N = 62	%	N = 92	%	N = 154	%
Sex	female	6	9.7	17	18.5	23	14.9
	male	56	90.3	75	81.5	131	85.1
Age	40–49	12	19.3	23	25.0	35	22.8
	50–59	46	74.2	60	65.2	106	68.8
	70 +	4	6.5	9	9.8	13	8.4
Place of residence	urban	37	59.7	55	59.8	92	59.7
	rural	25	40.3	37	40.2	62	40.3
Smoking	yes	52	83.9	79	85.9	131	85.1
	no	3	4.8	5	5.4	8	5.2
	No answer	7	11.3	8	8.7	15	9.7
Alkohol abuse	yes	42	67,7	57	62.0	99	64.3
	No	7	11.3	6	6.5	13	8.4
	No answer	13	21.0	29	31.5	42	27.3
Histology stage G	1	2	3.2	12	13.0	14	9.1
	2	50	80.6	76	82.6	126	81.8
	3	10	16.2	4	4.4	14	9.1
T stage	1	0	0	0	0	0	0
	2	2	3.3	31	33.7	33	21.4
	3	12	19.4	19	20.7	31	20.2
	4	48	77.4	42	45.6	90	58.4
N stage	No	11	17.7	19	20.6	30	19.5
	N1	14	22.6	18	19.6	32	20.8
	N2	35	56.5	42	45.7	77	50.0
	N3	2	3.2	13	14.1	15	9.7
M stage	0	62	100.0	92	100.0	154	100.0
	1	0	0	0	0	0	0