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. 2023 Jan 24;13:964915. doi: 10.3389/fphar.2022.964915

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Copyright © 2023 Ding, Duan, Yang, Jin, Luo and Ma.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Outcome of direct meta-analysis. (A, C) Forest graph and funnel graph of intensive regimen vs. standard regimen. (B, D) Forest graph and funnel graph of intensive regimen vs. standard regimen based on the same laxative.