Table 4.

Multivariate Cox proportional hazard analysis to evaluate independent variables in patients with risk factors for residual tumor

Variables	B	Wald	Significance	HR	95% lower upper
AFP (μg/L)	0.212	5.333	0.021	1.236	1.033	1.480
< 20 = 1
21-400 = 2
> 400 = 3
Adjuvant TACE	-0.406	6.041	0.014	0.666	0.482	0.921
Without = 1
With = 2
Tumor diameter (cm)	0.076	16.327	0.000	1.079	1.040	1.119
Vascular invasion	0.245	7.691	0.006	1.278	1.075	1.520
Absent = 1
Present = 2