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Mean (range) of AWI and PWI for DDH, retroverted, and overcovered hips
| Diagnosis | Mean AWI (range) | Mean PWI (range) |
|---|---|---|
| Normal | 0.35 (−0.02 to 0.91) | 1.13 (0.64–1.70) |
| DDH | 0.26 (0.05–0.5) | 1.03 (0.71–1.3) |
| Retroversion | 0.42 (0.1–0.89) | 1.02 (0.61–1.5) |
| Overcoverage | 0.43 (−0.18 to 0.85) | 1.22 (0.12–1.74) |
AWI = anterior wall index; PWI = posterior wall index; DDH = developmental dysplasia of the hip.
