Table 1.

Patient characteristics with respect to recurrence and overall survival

Variables	Recurrence-free n	Recurrence n	HR(95% CI)	P value	Survival n	Death n	HR(95% CI)	P value
Age, years
≤50	29	52	0.67(0.44-1.01)	0.053	34	47	0.82(0.54-1.26)	0.372
>50	35	40			36	39
Gender
Female	7	6	1.68(0.73-3.84)	0.222	8	5	2.02(0.82-4.97)	0.129
Male	57	86			62	81
Preoperative AFP, ng/mL
≤400	40	30	2.33(1.51-3.61)	<0.001	40	30	1.90(1.22-2.96)	0.005
>400	24	62			30	56
PVTT
Negative	53	47	2.85(1.88-4.31)	<0.001	55	45	2.31(1.51-3.53)	<0.001
Positive	11	45			15	41
Tumor size, cm
≤5	52	36	3.52(2.30-5.39)	<0.001	55	33	3.41(2.20-5.30)	<0.001
>5	12	56			15	53

Hazard ratios (HR), 95% confidence intervals (95% CI) and P value were obtained from univariate Cox regression analysis.