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. 2021 Apr 21;9(4):2325967121999642. doi: 10.1177/2325967121999642

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License (https://creativecommons.org/licenses/by-nc-nd/4.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, 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 3. — Forest plot comparing the relative risk (RR) of having no patellofemoral apprehension or subjective instability postoperatively versus preoperatively.