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Graphic summary of mean values of different MRI parameters measured at different vertebral and disc levels among healthy controls, non-severe AIS and severe-AIS groups. * P < 0.05, ** P < 0.01, when comparison with control; ß P < 0.05, ßß P < 0.01, when compared with non-severe AIS; Data expressed as Mean ± Standard error of mean; VB, vertebral body; IVD, intervertebral disc; NP, nucleus pulposus
