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Osteonecrosis Involvement at the Last Follow-Up (Epiphyseal and Metadiaphyseal Lesions)
| Total Number of Osteonecrosis Percentage of Sites with Osteonecrosis n, (%) | Number of Patients with Bilateral Lesions n, (%) | Total Number of Patients n, (%) | |
|---|---|---|---|
| Hip | 158 (35%) | 75 (86%) | 87 (100%) |
| Shoulder | 151 (33%) | 71 (88%) | 81 (93%) |
| Knee | 132 (29%) | 18 (60%) | 30 (34%) |
| Ankle | 14 (3%) | 4 (66%) | 6 (7%) |
| Total | 455 | 77 (89%) | 87 (100%) |
