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. 2021 Oct 28;27(40):6985–6999. doi: 10.3748/wjg.v27.i40.6985

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©The Author(s) 2021. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/Licenses/by-nc/4.0/

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Forest plot of studies divided into subgroups representing that the overall odds of rebleeding were significantly lower in the prophylactic transcatheter arterial embolization group. However, among the RCT studies, the difference was not statistically significant. RCT: Randomized controlled trial; OR: Odds ratio; 95%CI: Confidence interval.