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. 2016 Feb 15;31(2):242–252. doi: 10.3904/kjim.2015.112

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Copyright © 2016 The Korean Association of Internal Medicine

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 4. — Subgroup analysis of the overall survival of hepatocellular carcinoma patients undergoing transarterial chemoembolization (TACE) + radiofrequency ablation (RFA), RFA, or TACE according to the main tumor size. (A) There were significant differences in the long-term survival of patients undergoing TACE + RFA in tumors < 3 cm in size compared to patients receiving only RFA or TACE treatment (p = 0.017 and p = 0.004, respectively). (B) Significant differences were not observed in the overall survival benefit of the patients undergoing TACE + RFA in tumors ≥ 3 cm in size compared to patients receiving only RFA or TACE treatment (p = 0.763 and p = 0.952, respectively).