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. 2021 Dec 16;8:817441. doi: 10.3389/fcvm.2021.817441

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Copyright © 2021 Wu, Zhou, Wei, Wei and Cui.

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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Funnel plots for the publication bias underlying the meta-analysis of the association between the AIP and CAD. (A) Funnel plots for the meta-analysis of the AIP analyzed as a continuous variable; and (B) Funnel plots for the meta-analysis of the AIP analyzed as a categorical variable.