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. 2019 Jul 19;14(7):e0219902. doi: 10.1371/journal.pone.0219902

Fig 1. Flow diagram of the participants eligible for the trajectory analyses.

Fig 1

K-L grade, Kellgren-Lawrence grade; KOOS QoL, Quality of Life subscale of the Knee injury and Osteoarthritis Outcome Score; MIC, Minimal Important Change; OAI, Osteoarthritis Initiative.