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. 2018 Dec 6;6(15):985–994. doi: 10.12998/wjcc.v6.i15.985

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©The Author(s) 2018. 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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Funnel plot analysis of association of postoperative complications and operative time with body mass index. A: Funnel plot analysis of correlation between body mass index (BMI) and postoperative complications in laparoscopic gastrectomy; B: Funnel plot analysis of correlation between BMI and the operative time. SMD: Standard mean difference.