Table 1.

Comparison between PEI Alone Group and Combined PEI and RFA Group

Note.- ^*Mann-Whitney test was used, ^†Fisher's exact test was used, ^‡One tumor was abutting to duodenum, colon, and IVC, ^§In one patient, both bile duct dilatation and abscess were developed after combined PEI and RFA. PEI = percutaneous ethanol injection, RFA = radiofrequency ablation, SD = standard deviation, PV = portal vein, HV = hepatic vein, IVC = inferior vena cava, GB = gallbladder