Table 3.

Radiographic findings in the after RAO and control groups

	After RAO (n = 21)	Control (n = 21)	P-value
Cup angle
Inclination (°)	36.3 ± 5.3	36.8 ± 3.5	0.58
Anteversion (°)	17.9 ± 9.6	21.4 ± 5.2	0.24
Cup CE angle
LCE (°)	35.5 ± 4.8	29.3 ± 7.9	0.01
ACE (°)	64.4 ± 6.0	59.9 ± 8.4	0.15
PCE (°)	44.4 ± 26.7	107.2 ± 12.0	< 0.001
Hip joint center
Vertical distance (mm)	29.6 ± 7.2	22.3 ± 4.8	< 0.001
Horizontal distance (mm)	35.8 ± 6.0	29.7 ± 4.2	0.002
Femoral anteversion
Preoperative (°)	33.6 ± 17.5	29.2 ± 10.1	0.30
Postoperative (°)	41.2 ± 12.9	34.5 ± 10.3	0.20

Data are presented as mean ± standard deviations

RAO Rotational acetabular osteotomy, LCE Lateral cup CE, PCE Posterior cup CE, ACE Anterior cup CE