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Radiographic results
| ARCO stage | Corticosteroid (n = 99) | Alcohol (n = 27) | Idiopathic (n = 12) | Rate of failure | THR (rate) |
|---|---|---|---|---|---|
| IIA (n = 4) | 0 | 0 | 0 | 0 | 0 |
| IIB (n = 30) | 5 | 2 | 0 | 23.33% | 2 (6.67%) |
| IIC (n = 33) | 10 | 5 | 1 | 48.48% | 3 (9.09%) |
| IIIA (n = 71) | 21 | 12 | 2 | 49.3% | 8 (11.3%) |
| Total | 36 (36.37%) | 19 (70.37%) | 3 (25%) | 42.02% | 13 (9.5%) |
ARCO Association Research Circulation Osseous, THR total hip replacement
