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Table 2 In-brace results for T and L Cobb angles, apical axial rotation for T and L apex, and orientation of the planes of maximal curvature and kyphosis and lordosis angles

From: 3D correction of AIS in braces designed using CAD/CAM and FEM: a randomized controlled trial

  FEMBrace (test group) Difference between groups CtrlBrace (control group)
Mean SD Student’s t testa Mean SD
Coronal plane T Cobb angle reduction (%) 47 20 p = 0.01 25 18
L Cobb angle reduction (%) 48 24 p = 0.04 26 27
Transverse plane T curve apical axial rotation correction (%) 46 24 p = 0.004 30 17
L curve apical axial rotation correction (%) 46 22 p = 0.003 30 23
T plane of maximum curvature reduction (degrees) 0 18 p = 0.28 3 30
L plane of maximal curvature reduction (degrees) 11 40 p = 0.66 11 46
Sagittal plane T4–T12 kyphosis reduction (degrees) −2 6 p = 0.02 −16 28
L1–S1 lordosis reduction (degrees) 12 25 p = 0.44 11 24
  1. aSignificant difference between both groups for p < 0.05