Table 4.

Correlations between the maximum contact pressure and CT parameters before and after virtual PAO (lateral center-edge angle of 30°)

	Before virtual osteotomy		After virtual osteotomy
Parameters	Correlation coefficienta	p value	Correlation coefficienta	p value
Morphologic parameters
Anterior center-edge angle	-0.56	< 0.001	-0.47	0.003
Lateral center-edge angle	-0.57	< 0.001	-0.06	0.72
Posterior center-edge angle	-0.21	0.21	-0.06	0.70
Acetabular roof obliquity	0.60	< 0.001	-0.18	0.27
Acetabular inclination angle	0.39	0.02	0.04	0.83
Acetabular anteversion angle	0.17	0.30	0.23	0.16
Sagittal pelvic tilt
Standing anterior pelvic plane angle	-0.39	0.02	-0.52	< 0.001

^aPearson or Spearman correlation coefficients.