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Overall results in different stages of osteonecrosis (average 16.5 years follow up)
| Gradation of results | Stage I, n = 4 | Stage II, n = 75 | Stage III, n = 97 |
|---|---|---|---|
| Excellent | 4 (100%) | 61 (81.3%) | 35 (36.1%) |
| Good | − | 8 (10.7%) | 43 (44.3%) |
| Fair | − | 6 (8%) | 16 (16.5%) |
| Poor | − | − | 2 (2.1%) |
