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Table 2 Comparative radiological measurement of acetabular angles

From: Residual hip dysplasia in children: osseous and cartilaginous acetabular angles to guide further treatment—a pilot study

Group 1O-HTEC-HTEAAR
1 RHD26.5 ± 5.213.4 ± 5.57.1 ± 4.7
2 Healthy hips17.2 ± 3.65.4 ± 2.82.1 ± 2.9
p value< 0.00001< 0.00001< 0.00001
  1. O-HTE bony acetabular angle, C-HTE cartilaginous acetabular angle, AAR acetabular angle ratio. Angles are given in degres and expressed as means ± SD
  2. The normal distribution of the AAR values was 1.9 ± 0.54 for normal hips in group 2 and 5.0 ± 0.84 for hips with RHD (group 1) (Fig. 3). The mean AAR values for hips presenting RHD increased by factor of 2.6 in comparison to healthy hip