Figure 3

Preoperative and postoperative lumbo-pelvic radiographs. The preoperative LS, PO, HAA, and LLD were 44°, 7°, 0°, and − 1 cm, respectively. The postoperative LS, PO, HAA, and LLD values were 37°, 2°, − 4°, 0 cm, respectively. LS, lumbar scoliosis; PO, pelvic obliquity; HAA, hip adduction angle; LLD, leg length discrepancy.