Fig. 3From: Accuracy on the preoperative assessment of patients with adolescent idiopathic scoliosis using biplanar low-dose stereoradiography: a comparison with computed tomographyMean values of all parameters measured in prone (CT) and upright (EOS) positions. CA, Cobb angle; SD, spinal deformity; VB, vertebral body; IVD, intervertebral disc; Apex, apical level; Upper, upper end level; Lower, lower end level; IAR, intervertebral axial rotation. Paired t-test: *P < 0.05 **P < 0.01Back to article page