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. 2022 Apr 28;14:860759. doi: 10.3389/fnagi.2022.860759

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Copyright © 2022 Yeh, Kuo and Chou.

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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Forest plot of OCTA measurements between subjects with Alzheimer's Disease (AD) and mild cognitive impairment (MCI). The meta-analyses were conducted with a random-effects model. Horizontal bar indicates 95% confidence intervals (CI), and the size of the squares denotes the weight attributed to each article. The diamonds represent the standardized mean differences with the width showing the 95% CI. (A) Foveal avascular zone area. (B) Choroidal thickness. (C) Superficial capillary plexus vessel density. (D) Deep capillary plexus vessel density. (E) Peripapillary vessel density. (F) Choroidal perfusion density.