Table 5.

Interobserver reliability of the radiological parameters

Variable	Flexion	Neutral	Extension
Sagittal CSA of SC	0.95 (0.94–0.96)	0.87 (0.83–0.91)	0.85 (0.81–0.89)
Sagittal CSA of CSF	0.93 (0.92–0.95)	0.91 (0.87–0.93)	0.87 (0.80–0.91)
Axial CSA of SC	0.95 (0.93–0.96)	0.90 (0.88–0.93)	0.91 (0.87–0.92)
Axial CSA of CSF	0.92 (0.89–0.94)	0.91 (0.88–0.93)	0.94 (0.92–0.95)
Sagittal diameter of SC	0.94 (0.92–0.95)	0.88 (0.84–0.91)	0.87 (0.83–0.90)
Sagittal diameter of dural sac	0.81 (0.75–0.86)	0.82 (0.75–0.86)	0.81 (0.76–0.86)
Axial diameter of SC	0.93 (0.91–0.95)	0.87 (0.83–0.90)	0.89 (0.86–0.92)
Axial diameter of dural sac	0.89 (0.86–0.92)	0.85 (0.80–0.89)	0.90 (0.87–0.93)

Values are presented as intraclass confidence correlation (95% confidence interval).

CSA, cross-sectional area; SC, spinal cord; CSF, cerebrospinal fluid.