Table III.

Univariate and multivariate Cox regression analysis for SVM prediction model and clinical features.

	Univariate analysis		Multivariate analysis
Variables	HR	P-value	HR	P-value
SVM prediction (Early/advanced stage like)	1.723	0.006a	1.637	0.005a
Age (≤60 or >60)	1.681	0.007a	1.416	0.140
Gender	0.782	0.305	1.366	0.390
Alcohol use	0.864	0.455	0.967	0.916
Tobacco use	0.750	0.014	0.456	0.010a
Pathological grade (N0+N1) or (N2+N3)	1.645	0.028a	1.079	0.794
Pathological grade (T1+T2) or (T3+T4)	1.091	0.711	0.834	0.528
Adjuvant therapy	2.264	0.003a	2.492	0.002a

^aP<0.05. SVM, support vector machine; HR, hazard ratio.