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Table 2 Grading of osteolysis reaction with 5.5 mm anchor diameter [18]

From: Osteoconductive resorption characteristics of a novel biocomposite suture anchor material in rotator cuff repair

Grading Osteolysis reaction
Grade 0 No fluid
Grade 1 < 1 mm diameter of fluid accumulation
Grade 2 1–5.5 mm diameter of fluid accumulation, definition osteolysis
Grade 3 > 5.5–6.5 mm diameter of fluid accumulation peri-implant
Grade 4 > 6.5 mm diameter of fluid accumulation, definition cyst