Table 3

 Comparisons of cumulative local recurrence, new recurrence, overall survival, and cancer free survival rates among the radiofrequency thermal ablation (RFTA), percutaneous ethanol injection (PEI), and percutaneous acetic acid injection (PAI) subgroups

GroupSubgroupNo of casesLocal recurrence rate (%)New recurrence rate (%)Overall survival rate (%)Cancer free survival rate (%)
1 y2 y3 y1 y2 y3 y1 y2 y3 yr1 y2 y3 y
ap = 0.043; bp = 0.013; cp = 0.018; dp = 0.009; ep = 0.011; fp = 0.032; gp = 0.027; hp = 0.031; ip = 0.035; other comparisons were not significant.
RFTA1–2 cm HCC36499a223140968275816345
PEI1–2 cm HCC3771818b193544937967764826
PAI1–2 cm HCC3871616c183641937869784728
RFTA2–3 cm HCC26142121a d e284249907972f g725740h i
PEI2–3 cm HCC25244747b d304454876047f643617h
PAI2–3 cm HCC25214444c e254452876348g653818i