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. 2019 Jul 10;90(6):568–574. doi: 10.1080/17453674.2019.1639360

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© 2019 The Author(s). Published by Taylor & Francis on behalf of the Nordic Orthopedic Federation

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Kaplan–Meier cumulative risk of undergoing knee arthroplasty following ACL reconstruction by age group. Age group < 20 years and ≥ 60 suppressed due to small numbers; shaded areas represent 95% confidence intervals.