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Table 3 Comparison of the effects of three-dimensional correction

From: Bilateral apical vertebral derotation technique by vertebral column manipulation compared with vertebral coplanar alignment technique in the correction of lenke type 1 idiopathic scoliosis

  Group A* Group B*
  Preoperative Postoperative  Final Preoperative Postoperative  Final
    Follow-up    Follow-up
Major curve Cobb angle (degree ± SD) 58.9±9.6 8.8±4.7** 9.7±5.6 62.3±11.9 13.4±7.1** 14.5±6.5
Apical translation (mm ± SD) 55.7±13.2 13.8±8.4** 15.1±7.3 49.3±13.9 12.5±10.9** 14.8±9.2
RAsag (degree ± SD) 17.5±5.4 6.6±3.1** 7.0±3.7 19.8±6.2 8.3±3.3** 9.0±2.9
RH (mm ± SD) 28.6±9.3 13.1±5.2** 14.2±6.5 24.1±10.9 11.2±7.2** 12.1±8.4
AVB-R (ratio ± SD) 2.0±0.4 1.4±0.3** 1.4±0.6 2.3±0.3 1.6±0.5** 1.7±0.4
ARSD (mm ± SD) 48.3±15.7 9.4±6.1** 10.7±8.0 45.7±16.3 11.2±7.9** 12.0±8.6
Thoracic kyphosis angle (degree ± SD) 29.7±19.8 20.1±9.3** 22.7±11.7 22.4±15.3 19.9±8.9 21.5±13.0
Lumbar lordosis angle (degree ± SD) 53.4±9.5 44.2±7.3** 48.3±9.1 44.9±15.4 48.3±8.6 49.5±10.0
Thoracic kyphosis angle in flat back patients (degree ± SD) 7.1±1.4 11.3±2.0 12.0±2.6 5.2±3.1 13.4±1.5** 13.8±2.3
  1. *Group A, bilateral apical vertebral derotation by VCM; Group B, VCA.
  2. **P<0.05 indicates statistically significant difference in the postoperative value compared with preoperative value.