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. 2017 Nov 21;23(43):7791–7806. doi: 10.3748/wjg.v23.i43.7791

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©The Author(s) 2017. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (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.

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Forest plots and subgroup meta-analysis of operative time (A), blood loss during operation (B), intraoperative transfusion rate (C), postoperative complication rate (D) and length of hospital stay (E). IV: Inverse variance method; LA: Laparoscopic approach; LH: Left hemihepatectomy; LLS: Left lateral sectionectomy; OA: Open approach; RH: Right hemihepatectomy; SD: Standard deviation.