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. 2020 Jan 31;28(12):3843–3848. doi: 10.1007/s00167-020-05865-1

Table 2.

Bone defect types in the tibia and femur treated with metaphyseal sleeves

AORI type Tibia Femur
2a 36 (39%) 13 (27%)
2b 47 (52%) 31 (65%)
3 8 (9%) 4 (8%)

AORI Anderson Orthopaedic Research Institute classification