Quantitative Magnetic Resonance Imaging Analysis of Early Markers of Upper Cervical Cord Atrophy in Multiple Sclerosis and Neuromyelitis Optica Spectrum Disorder

Table 1

Demographic, clinical, and quantitative MRI measures of the participants.

	RRMS	NMOSD	value
Female/male (%)	14 (70)/6 (30)	15 (75)/5 (25)	0.723
Age () (years)			0.52
Disease duration (years)			0.001
EDSS			0.046
BMI			0.813
C2/C3 SC-CSA	mm^2	mm^2	0.036
C2/C3 SC-TD	mm	mm	0.004
C2/C3 SC-APD	mm	mm	0.626

Statistically significant difference. BMI: body mass index; C2/C3 SC-APD: C2/C3 spinal cord anteroposterior diameter; C2/C3 SC-CSA: C2/C3 spinal cord cross-sectional area; C2/C3 SC-TD: C2/C3 spinal cord transversal diameter; EDSS: expanded disability status scale.