Table 4 Univariate analysis of factors associated with overall survival (OS) and disease-free survival (DFS) of 68 patients with hepatocellular carcinoma

Gender (male versus female)

0.564

0.867

Age (≤60 versus >60 years)

0.430

0.682

Virus (HBV versus HCV and none)

0.410

0.247

AFP (≤200 versus >200 ng/ml)

0.909

0.626

Cirrhosis (absent versus present)

0.313

0.551

Tumor size (≤50 versus >50 mm)

0.005 ^*

0.001 ^*

TNM stage (I to II versus III to IV)

0.034 ^*

0.056

Differentiation (well and moderate versus poor)

0.011 ^*

0.110

Tumor number (solitary versus multiple)

0.401

0.741

Tumor encapsulation (intact versus absent or not intact)

0.011 ^*

0.009 ^*

Vascular invasion (absent versus present)

0.003 ^*

0.001 ^*

Gli2 expression (low versus high)

0.005 ^*

0.017 ^*