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. 2022 Apr 8;56(15):862–869. doi: 10.1136/bjsports-2021-105115

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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KOOS₄ score from baseline and 1-year, 2-year, 5-year and 10 year follow-ups for non-reconstructed patients and ACL-reconstructed patients. A p<0.05 is statistically significant. The coloured boxes and bars express the median and 1st and 3rd quartile. The crosses and circles (in the yellow and green boxes, respectively) express the mean KOOS₄ for the treatment groups. The crosses and circles below the box plots illustrate outliers. ACL, anterior cruciate ligament; ADL, activities of daily living; KOOS, Knee Injury and Osteoarthritis Outcome Score; QoL, quality of life; Sport & Rec, function in sport and recreation.