Table VIII.

Result of COX proportional Hazards model.

		95.0% CI for Exp(B)
	OR	Lower	Upper	P-value
Genotype	0.9248	0.4513	1.8951	0.8310
Sex	1.2570	0.4548	3.4739	0.6593
Smoking	0.7874	0.2831	2.1902	0.6470
Drinking	0.9204	0.3286	2.5784	0.8747
Age	1.4636	0.6350	3.3734	0.3713
Grading	1.4347	0.5838	3.5259	0.4315
Tumor size				0.0456a
T1	61.8182	3.2625	1171.3486	0.0060
T2	10.8660	1.6237	72.7161	0.0139
T3	17.3644	0.6132	491.7257	0.0943
Nodal status				0.7779
Negative	1.0067	0.1147	8.8342	0.9952
Positive	1.6820	0.3030	9.3381	0.5522
Tumor stage				0.0191a
1	0.0049	0.0002	0.1463	0.0021
2	0.0740	0.0067	0.8171	0.0336
3	0.0449	0.0038	0.5359	0.0142

^aP<0.05. OSCC, OR, odds ratio; CI, confidence interval.