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. 2021 Dec 16;12:20420986211065215. doi: 10.1177/20420986211065215

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© The Author(s), 2021

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — Reexamination report categorization. The identified 218 reexamination reports in 2017–2019 were categorized by PMACS requirement and PI change order, and the breakdown number of reexamination reports in each category is shown.