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Table 1 Mankin scoring system

From: The protective role of autophagy in experimental osteoarthritis, and the therapeutic effects of Torin 1 on osteoarthritis by activating autophagy

Articular cartilage
(1) Structure (7 grades)
(2) Cell (4 grades)
(3) Safranin-O staining (5 grades)
(4) Tidemark (2 grades)