Ultrasonogram of hepatocellular carcinoma is associated with outcome after radiofrequency ablation

Table 2 Univariate analysis of factors contributing to recurrence

Variables	HR	95%CI	P value
Age (yr)	1.007	0.972-1.043	0.717
Gender
Female	1
Male	1.036	0.577-1.859	0.906
HCV
Negative	1
Positive	1.176	0.527-2.625	0.693
Number of tumors	1.557	1.009-2.404	0.045
Size of tumor (mm)	1.035	0.980-1.092	0.214
Child-Pugh classification
A	1
B	1.481	0.838-2.617	0.177
Tumor stage
I	1
II	1.214	0.657-2.244	0.535
III	5.055	2.123-12.034	0.000
Activity grade
A0, 1	1
A2, 3	1.346	0.745-2.430	0.325
Fibrosis stage
F0-2	1
F3, 4	1.323	0.689-2.540	0.401
AFP (ng/mL)	1.000	1.000-1.001	0.318
AFP-L3 (%)	1.017	1.004-1.030	0.023
DCP (mAU/mL)	1.000	1.000-1.001	0.332
B-mode classification
Type 2b	1
Type 1	1.531	0.767-3.053	0.227
Type 2c	3.179	1.623-6.227	0.001

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