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. 2018 Jun 22;12(5):571–582. doi: 10.5009/gnl17365

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Copyright © 2018 by The Korean Society of Gastroenterology, the Korean Society of Gastrointestinal Endoscopy, the Korean Society of Neurogastroenterology and Motility, Korean College of Helicobacter and Upper Gastrointestinal Research, Korean Association the Study of Intestinal Diseases, the Korean Association for the Study of the Liver, Korean Pancreatobiliary Association, and Korean Society of Gastrointestinal Cancer.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3 — Comparison of survival rates after propensity-score matching between patients under 6-monthly surveillance 1 year after curative treatment and those under 3-monthly surveillance. (A) The cumulative survival rates of low-risk patients under 6-monthly surveillance 1 year after curative treatment were not significantly different from those under 3-monthly surveillance (p=0.17). (B) The cumulative survival rates of high-risk patients under 3-monthly surveillance were significantly higher than those of high-risk patients under 6-monthly surveillance 1 year after curative treatment (p=0.04).