N = 14
|
Preoperative statusa
|
Latest follow-upa
|
P value†
|
---|
Proximal femur
|
Difference of HEAb (°)
|
16.9 ± 15.1
|
2.4 ± 12.4
|
0.008
|
Difference of HSAc (°)
|
15.5 ± 11.2
|
−2.5 ± 13.0
|
0.001
|
Difference of NSAc (°)
|
5.5 ± 5.6
|
0.9 ± 6.6
|
0.056
|
Femoral neck
|
Difference of ATDc (mm)
|
3.2 ± 5.5
|
−5.6 ± 9.1
|
0.001
|
Difference of femoral neck length ratio
|
Not applicable
|
Not applicable
| |
Acetabular morphology & subluxationd
|
Difference of Sharp anglec (°)
|
−1.9 ± 6.2
|
0.33 ± 7.7
|
0.187
|
Difference of acetabular roof anglec (°)
|
3.3 ± 6.1
|
8.3 ± 9.3
|
0.011
|
Difference of LCEAb (°)
|
2.1 ± 7.8
|
8.1 ± 9.1
|
0.009
|
Difference of CHDD (%)
|
Not applicable
|
Not applicable
| |
- †Wilcoxon signed rank test
-
aThe values are given as the mean and the standard deviation
-
bThese values were calculated by subtracting the values of the operated hips from the values of the contralateral hips
-
cThese values were calculated by subtracting the values of the contralateral hips from the values of the operated hips
-
dTwo hips which underwent pelvic osteotomy concurrent with hemi-epiphysiodesis were excluded