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The incidence of HO and AVN in different approaches
| Approach | Total cases | HO (%) | AVN (%) |
|---|---|---|---|
| Anterior | 38 | 16 (42.1%) | 3 (7.9%) |
| Posterior | 67 | 24 (35.8%) | 11 (16.4%) |
| Trochanter flip | 24 | 8 (33.3%) | 3 (12.5%) |
| Lateral | 9 | 0 (0%) | 1 |
| Anterolateral | 5 | 3 (60%) | 0 |
| Anterior–posterior | 1 | 0 | 0 |
HO heterotopic ossification, AVN avascular necrosis
