Successful initial ablation therapy contributes to survival in patients with hepatocellular carcinoma

Table 2 Univariate analysis for factors associated with survival

Variables	Patients	P
Pre-treatment factors
Age (yr)
< 70/≥ 70	74/79	0.0923
Sex
Male/Female	93/60	0.7284
Child-Pugh class
A/B	133/20	0.0275
Tumor size (cm)
≤ 3/> 3	120/33	0.0130
Tumor number
Single/Multiple	102/51	0.6298
Serum alpha-fetoprotein level (ng/mL)
< 400/≥ 400	142/11	0.0722
Serum PIVKA-II level (ng/mL)
< 300/≥ 300	133/20	0.0486
Serum albumin level (g/dL)
≤ 3.5/> 3.5	50/103	0.0060
Treatment factors
Type of ablation therapy
RF ablation/PEI	110/43	0.9829
Initial treatment response
Successful/Unsuccessful	125/28	0.0130

RF: radiofrequency; PEI: percutaneous ethanol injection; NS: not significant; PIVKA-II: protein induced vitamin K absence or antagonist II.