Table 1

Summary of the demographic and clinical features of the patients studied

Patient No	Diagnosis	Age (years)	Gender	Age at onset (years)	Sciatic nerve area (mm²)	Limb imaged	Right AD (MRC)	Left AD (MRC)
1	CMT1A	58	Female	5	121.0	Right	3	3
2	CMT1A	30	Male	8	196.6	Right	1	1
3	CMT1A	55	Male	15	145.1	Right	3	3
4	CMT1A	60	Female	4	142.0	Right	0	1
5	CMT1A	28	Male	6	146.6	Right	4	4
6	CMT1A	48	Female	2	129.8	Right	4	3
7	CMT1A	30	Male	6	163.7	Right	0	1
8	CMT1A	45	Male	4	106.5	Right	1	1
9	CMT1A	22	Female	1	98.2	Right	4	4
10	CMT1A	49	Male	42	65.0	Right	3	3
11	CIDP	46	Male	23	59.3	Left	0	0
12	CIDP	61	Male	58	38.8	Left	5	1
13	CIDP	68	Female	44	59.3	Left	3	1
14	CIDP	52	Female	40	54.4	Right	5^†	5^†
15	CIDP	46	Male	42	69.0	Right	4	5
16	CIDP	56	Male	47	87.7	Right	0	5
17	CIDP^*	62	Female	58	67.6	Left	3	4
18	CIDP^*	75	Female	71	71.2	Right	4	4
19	CIDP	69	Male	67	74.9	Right	1	4

↵* Concomitant monoclonal gammopathy of undetermined significance.
↵† Grade 4 strength at recruitment, grade 5 strength at the time of MRI.
AD (MRC), ankle dorsiflexion strength Medical Research Council Scale (0–5); CIDP, chronic inflammatory demyelinating polyneuropathy; CMT1A, Charcot–Marie–Tooth disease type 1A.