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. 2021 Jul 23;116(11):2173–2183. doi: 10.14309/ajg.0000000000001393

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Copyright © 2021 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of The American College of Gastroenterology

This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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Figure 1. — Flow chart showing selection of eligible studies. ^aOutcomes combined colorectal cancer and polys/neoplasia/adenomas together. ^bSee Supplementary Table 1 (Supplementary Digital Content 3, http://links.lww.com/AJG/C130). BMI, body mass index; CRC, colorectal cancer.