Table 3 Changes in the radiographic parameters.

From: Fate of hips complicated by avascular necrosis of the femoral head following reconstructive surgery in nonambulatory patients with cerebral palsy

Parameters

Preoperative

Postoperative

Final follow-up

p value

Migration percentage (mean ± SD)

67.1 ± 26.0

11.0 ± 12.7

24.2 ± 18.7

 < 0.001

Acetabular angle (mean ± SD)

54.2 ± 5.0

N/A

47.2 ± 6.2

 < 0.001

Head-shaft angle (mean ± SD)

163.9 ± 11.7

128.4 ± 9.6

137.4 ± 11.3

 < 0.001

Spherical index (mean ± SD)

38.0 ± 4.7

N/A

43.7 ± 5.6

 < 0.001

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