| Variables | HR (95% CI) | P value | 
| Fibrosis Score, F5~6 (vs. F0~4) | 1.461 (1.191~1.792) | <0.001 | 
| Age at diagnosis, >60 (vs. ≤60) | 1.383 (1.220~1.567) | <0.001 | 
| Race Black(vs. White) | 0.883 (0.703~1.110) | 0.288 | 
| Race Other(vs. White) | 0.834 (0.702~0.989) | 0.037 | 
| Sex, female (vs. male) | 1.141 (0.988~1.317) | 0.073 | 
| AJCC T, 7th ed., T3~4 (vs. T1~2) | 0.520 (0.328~0.825) | 0.005 | 
| AJCC N, 7th ed., N1 (vs. N0) | 0.447 (0.111~1.799) | 0.257 | 
| Tumor size, >1 cm (vs. ≤1 cm) | 0.742 (0.236~2.332) | 0.609 | 
| AFP, Negative (vs. Positive/elevated) | 1.072 (0.940~1.222) | 0.299 | 
| Grade, Moderately differentiated; Grade II (vs. Well differentiated; Grade I) | 0.988 (0.850~1.150) | 0.881 | 
| Grade, Poorly differentiated; Grade III (vs. Well differentiated; Grade I) | 0.896 (0.686~1.170) | 0.421 | 
| Grade, Undifferentiated; anaplastic; Grade IV(vs. Well differentiated; Grade I) | 1.022(0.323~3.233) | 0.970 |