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Table 3 Preoperative and postoperative data of the contralateral hips

From: Percutaneous medial hemi-epiphysiodesis using a transphyseal screw for caput valgum associated with developmental dysplasia of the hip

N = 14 Preoperative statusa Latest follow-upa P value†
Proximal femur
 Hilgenreiner-epiphyseal angle (°) 22.4 ± 5.9 23.0 ± 5.4 0.802
 Head-shaft angle (°) 154.3 ± 5.4 152.7 ± 6.9 0.221
 Neck-shaft angle (°) 138.8 ± 6.3 133.0 ± 5.3 0.005
Femoral neck
 Articulo-trochanteric distance (mm) 18.4 ± 3.4 18.9 ± 4.8 0.777
 Femoral neck length ratio Not applicable Not applicable  
Acetabular morphology & subluxation
 Sharp angle (°) 48.7 ± 3.8 44.7 ± 5.5 0.002
 Acetabular roof angle (°) 12.6 ± 4.9 7.4 ± 7.3 0.002
 LCEA (°) 24.7 ± 5.6 31.6 ± 5.7 0.002
 Medial joint space width ratio Not applicable Not applicable  
 CHDD (%) Not applicable Not applicable  
  1. †Wilcoxon signed rank test
  2. aThe values are given as the mean and the standard deviation