Table 3. Area under receiver operating characteristic curve (AUC) of vertebral indices at each region.

CR, the ratio of width to height of the spinal cord; VB, vertebral body; IVDS, intervertebral disc space; FR, the ratio of width to height of the vertebral foramen; CFAR, the ratio of cross-sectional area of the spinal cord to that of the vertebral foramen. ^*Significant difference between normal and patient groups (p < 0.05).