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Etiological distribution of cases of avascular necrosis of femoral head
| Etiology | Total patients | Total hips | Percentage | Failures (%) |
|---|---|---|---|---|
| Idiopathic | 25 patients | 35 hips | 46 | 4 hips (11.4) |
| Steroid-induced AVN | 12 patients | 30 hips | 39.4 | 15 hips (50) |
| Alcohol-induced AVN | 9 patients | 11 hips | 14.4 | 0 hips |
AVN=Avascular necrosis
