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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: Arthritis Care Res (Hoboken). 2016 Dec 31;69(2):201–208. doi: 10.1002/acr.22940

Figure 1.

Figure 1

Each cohort was initialized at age 25 with different injury statuses and then tracked to see what proportion developed knee osteoarthritis at some point during an individual’s lifetime. One cohort was initialized without any injury or the possibility of developing an injury in the future to serve as a comparator. Two cohorts began with ACL tears (one treated and the other untreated) and no meniscal tear at baseline, but with a chance to develop a meniscal tear in the future. A fourth cohort had both an ACL tear and a meniscal tear at baseline. Solid lines represent point estimates, and shaded bands indicate 95% confidence intervals.