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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