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Journal of Experimental Orthopaedics
Fig. 2 | Journal of Experimental Orthopaedics

Fig. 2

From: Extrusion of the anterior segment of the medial meniscus extrusion initiates knee osteoarthritis: evaluation using magnetic resonance imaging

Fig. 2

Flowchart summarizing the subject inclusion/exclusion process. MRI, magnetic resonance imaging; n, numbers; K-L, Kellgren-Lawrence grade; MM, medial meniscus; Group En, non- or early osteoarthritis without meniscus tear; Group Ep, non- or early osteoarthritis with meniscus tear; Group An, advanced osteoarthritis and without meniscus tear; Group Ap, advanced osteoarthritis and with meniscus tear; Group C, control group

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