Table 3.

Association of prognostic features and the risk factors (n = 90)

	Tumour Size				OR (Adjusted)	95% CI	p-value**	Nodal Involvement a				OR (Adjusted)	95% CI	p-value**
	T1/T2		T3/T4					N0		N+
	n	(%)	n	(%)				n	(%)	n	(%)
HPV status
Negative	36	(100.0)	48	(94.1)	1	–	–	48	(100.0)	36	(92.3)	1	–	–
Positive	0	(0.0)	3	(5.9)	1.18E + 09	0	0.999	0	(0.0)	3	(7.7)	2.04E + 09	0	0.999
Alcohol Drinkers
No	16	(44.4)	21	(42.0)	1	–	–	21	(44.7)	16	(41.0)	1	–	–
Yes	20	(55.6)	29	(58.0)	0.708	(0.243–2.060)	0.526	26	(55.3)	23	(59.0)	0.626	(0.209–1.180)	0.404
Tobacco Users
No	19	(52.8)	19	(38.0)	1	–	–	25	(53.2)	13	(33.3)	1	–	–
Yes	17	(47.2)	31	(62.0)	2173	(0.751–6.290)	0.152	22	(46.8)	26	(66.7)	2947	(0.977–8.887)	0.055

Reference category of the dependent variable Tumor size - T1/T2; Reference category of the dependent variable Nodal Involvement- N0; OR Odds Ratio

CI Confidence Interval; **. Multiple logistic regression (Adjusted to all variables);

^aN0 - absence of lymph node metastasis; N+ − lymph node metastasis;

Data unknown: alcohol drinkers - 1; tobacco users - 1; tumour size - 3; nodal involvement - 3