Table 3.

Summary of all MTR measurements in HCs and people with RRMS at each anatomical location.

PNS anatomical location	MTR Measurement [a.u.] [mean (±SD)]		p
	HC (N = 11)	RRMS (N = 15)
Sciatic nerve	35 (±3.2)	32.4 (±3.6)	0.027*
Lumbar plexus	28 (±1.7)	28.8 (±1.7)	0.43
Preganglionic regions	24.7 (±2.8)	26.1 (±3.4)	0.47
Ganglionic regions	28.9 (±2.4)	29.4 (±1.8)	0.39
Postganglionic regions	30.3 (±1.7)	30.8 (±2.5)	0.91

PNS, peripheral nervous system; MTR, magnetisation transfer ratio; a.u., arbitrary units; SD, standard deviation; HC, healthy controls; RRMS, relapsing-remitting multiple sclerosis.

^*Indicates statistical significance from linear regression models (adjusting for age and sex) (p < 0.05).