Table 4 Correlations of preoperative radiographic parameters with change in maximum contact pressure after additional coronal correction

Lateral center-edge angle

−0.34

0.024

Medial center-edge angle

0.37

0.013

Acetabular arc

0.01

0.927

Tönnis angle

0.29

0.056

Sharp angle

0.21

0.175

Extrusion index

0.49

< 0.001

Anterior wall index

−0.12

0.450

Posterior wall index

−0.15

0.323

Roundness index

0.47

0.001

Femoro-epiphyseal acetabular roof index

0.13

0.390