The maintenance of deformity correction Table 3.25: The maintenance of anterior vertebral body height loss and following the group of LSC score (n=36) Table 3.26: The maintenance of vertebral kyphotic angle and following the group of LSC score (n=36) Table 3.27: The maintenance of regional kyphotic angle and following the group of LSC score (n=36) Group of LSC Quantity (n) The average of anterior vertebral body height loss (%) Pre - operation Post - operation Last follow - up Correction loss <7 16 46.6±12, 4 16.7±10.9 27.0±14.1 10.1±9.6 ≥7 20 51.0±9.7 17.6±8.2 27.9±9.1 10.3±7.0 Tổng 36 49.1±11.0 17.3±9.3 27.5±11.4 10.2±8.1 P1 (comparison between group of LSC, Mann-Whitney U) = 0.484 P2 (the last follow-up vs pre-operation and post-operation, T-Test) = 0.000 Group of LSC Quantity (n) The average of vertebral kyphotic angle (0) Pre - operation Post - operation Last follow - up Correction loss <7 16 22.4±5.3 11.1±4.4 14.4±4.2 3.1±2.9 ≥7 20 26.4±5.4 11.8±4.3 14.5±4.8 2.8±2.8 Total 36 24.6±5.7 11.5±4.3 14.4±4.5 2.9±2.8 P1 (comparison between group of LSC, Mann-Whitney U) = 0.699 P2 (the last follow-up vs pre-operation and post-operation, T-Test) = 0.000 Group of LSC Quantity (n) The average of regional kyphotic angle (0) Pre - operation Post - operation Last follow - up Correction loss <7 16 19.1±8.2 9.8±6.7 14.2±7.2 4, 4±4.0 ≥7 20 20.1±8.4 7.4±4.9 14.0±6.4 6.6±5.9 15 3.5.2.3.