Ultrasonogram of hepatocellular carcinoma is associated with outcome after radiofrequency ablation

Table 4 Univariate analysis of factors contributing to survival

Variables	HR	95%CI	P value
Age (yr)	0.979	0.929-1.032	0.440
Gender
Female	1
Male	1.161	0.435-3.096	0.766
HCV
Negative	1
Positive	0.947	0.218-4.124	0.943
Number of tumors	1.700	0.840-3.440	0.140
Size of tumor (mm)	1.030	0.945-1.123	0.504
Child-Pugh classification
A	1
B	1.789	0.710-4.512	0.218
Tumor stage
I	1
II	1.588	0.551-4.579	0.392
III	3.847	1.081-13.690	0.037
Activity grade
A0, 1	1
A2, 3	1.978	0.698-5.606	0.200
Fibrosis stage
F0-2	1
F3, 4	1.292	0.425-3.930	0.652
AFP (ng/mL)	1.001	1.000-1.002	0.087
AFP-L3 (%)	1.012	0.995-1.031	0.212
DCP (mAU/mL)	1.000	0.999-1.001	0.919
B-mode classification
Type 2b	1
Type 1	6.911	1.897-25.176	0.003
Type 2c	4.466	1.066-18.709	0.041

HR: Hazard ratio; HCV: Hepatitis C virus; AFP: Alpha-fetoprotein; AFP-L3: Lens culinaris agglutinin-reactive alpha-fetoprotein; DCP: Des-gamma-carboxy prothrombin.