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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: Osteoarthritis Cartilage. 2017 Apr 19;25(9):1399–1406. doi: 10.1016/j.joca.2017.04.002

Figure 2. Trajectories of opioid use after hip or knee arthroplasty.

Figure 2

Among 57,545 patients who underwent hip or knee arthroplasty, 7.6% (Trajectory 6) of the study cohort had persistent opioid use in the year following surgery. Trajectories 1 (51.0%), 2 (8.1%), 3 (8.8%), 4 (16.8%), and 5 (7.6%) were considered as nonpersistent users.