The emerging role of serum zinc in motor disability and radiological findings in patients with multiple sclerosis

Table 4 Correlation between serum Zinc level and clinical and radiological characteristics of MS

	Serum zinc level
	(r) coefficient	P value
Disease duration	− 0.335	0.017*
Number of relapses in the last 2 years	− 0.296	0.037*
Total number of relapses	− 0.466	0.001*
EDSS before pulse steroids	− 0.771	< 0.001*
EDSS after pulse steroids	− 0.785	< 0.001*
MRS	− 0.403	0.004*
MFIS	− 0.394	0.005*
MRI lesion load	− 0.790	< 0.001*

EDSS Expanded Disability Status Scale, MRS modified RIO score, MFIS Modified fatigue Impact Scale, MRI magnetic resonance imaging
*P value < 0.05 (significant)