Table 3. Independent predictors of disease-free survival in the stepwise multivariate Cox proportional hazard model.

Factors	HR	95%CI	P
HURP-positive in HCC cells	2.334	1.165–4.679	0.017
AST ≥50 U/L	3.697	1.868–7.319	<0.001
Cytological grade ≥3	4.249	2.061–8.759	<0.001
Tumor number >1	2.633	1.212–5.722	0.014