Table 1. Characteristics of controls, low fatigue and high fatigue RRMS groups, and P-values from Mann-Whitney test between both patient groups.

Characteristics	Controls (n = 15)	Low Fatigue (n = 7)	High Fatigue (n = 10)	P-value
Mean Age (years)	38 ± 7 (26–49)	38 ± 5 (29–43)	42 ± 8 (29–56)	> 0.4
Median EDSS	-	1.5 (1.0–1.5)	1.8 (1.0–2.5)	> 0.2
Range Lesion Load (cm3)	-	0.15–16.25	0.44–37.17	> 0.8
Fatigue Severity Scale	18 ± 4 (13–26)	22 ± 9 (11–34)	52 ± 6 (42–59)	< 0.0001