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Table 1 Radiological measurements of acetabular coverage of the femoral head before and after surgery

From: Ten-year survival rate after rotational acetabular osteotomy in adulthood hip dysplasia

  Preoperative Immediately after surgery p value (paired t-test)
Center edge angle (°) 6.0 ± 10.7 49.9 ± 13.1 <0.001
Sharp angle (°) 48.9 ± 4.1 32.5 ± 7.7 <0.001
Acetabular head index (%) 56.8 ± 10.1 97.9 ± 10.8 0.001
Acetabular roof obliquity (°) 27.2 ± 6.8 0.0 ± 12.1 <0.001
Obturator foramen-head distance (mm) 17.5 ± 3.5 15.6 ± 4.6 0.006
  1. N = 65 hips