Table 3: Radiological and Functional Results

Total Group A Group B p-Value
median preoperative CE-angle (range) 12° (0-20) 15° (0-20) 11° (0-18) 0.041
median postoperative CE-angle (range) 30° (18-45) 30° (18-40) 30° (22-45) 0.544
CE-difference (range) 19° (7-44) 17° (7-28) 21° (11-44) 0.017
median preoperative HHS (range) 69 (37-100) 69 (52-100) 66 (37-86) 0.503
median postoperative HHS (range) 88 (52-100) 86 (52-100) 93 (70-100) 0.345
HHS-difference (range) 18 (-17-50) 17 (-17-41) 22 (-3-50) 0.105

Acetabular correction is expressed as CE-difference between post- and preoperative values, functional improvement is represented by the HHS-difference (CE-angle = center-edge angle, HHS= Harris hip score).