Table 5 Radiographic data for preoperative and postoperative

 Total femoral coverage (%)

0.60 ± 0.08

0.90 ± .07

0.000

 Anterior center-edge angle (°)

10.40 ± 3.95

38.84 ± 3.86

0.000

 Lateral center-edge angle (°)

11.58 ± 4.66

35.80 ± 5.57

0.000

 Sharp angle (°)^a

–

–

0.000

 Acetabular index (°)^a

–

–

0.000

 Crossover sign (% positive)

13(36%)

5(13.9%)

0.043

 Shenton’s line intact (mm)^a

–

–

0.000

 Calve’s line intact (mm)^a

–

–

0.000

 Total femoral coverage (%)

0.60 ± 0.95

0.89 ± 0.56

0.000

 Anterior center-edge angle (°)

9.79 ± 3.64

39.57 ± 4.06

0.000

 Lateral center-edge angle (°)

12.67 ± 4.68

36.26 ± 5.64

0.000

 Sharp angle (°)^a

–

–

0.000

 Acetabular index (°)^a

–

–

0.000

 Crossover sign (% positive)

10(33%)

3(10%)

0.057

 Shenton’s line intact (mm)^a

–

–

0.000

 Calve’s line intact (mm)^a

–

–

0.000