- There were no significant differences of the postoperative correction loss, the rate of hardware failure in the group with LSC scores <7 and group with LSC cscore ≥7 (the average correction loss of the anterior vertebral body height was 10.1% and 10.3%; the regional kyphotic angle was 3.10 and 2.80; the vertebral kyphotic angle was 4.40 and 6.60; the rate of hardware failure was 1/16 and 5/20; respectively).