. Author manuscript; available in PMC: 2014 Jan 24.

Published in final edited form as: Can J Neurol Sci. 2011 Mar;38(2):289–295. doi: 10.1017/s0317167100011483

Table 1.

Clinical characteristics of WM compared to IgM-MGUS

		WM (N=30)	IgM-MGUS (N=73)	p-value
Age (yrs.)		median 65.5, range 46–82	median 64.0, range 31–82	0.821
Gender	Male Female	22 (73%) 8 (27%)	53 (73%) 20 (27%)	0.939
NIS at time of NCS (points)		median =17.5, range 0–75	median =24, range 0–92	0.055
Chief first complaint number abnormal (percent)	“Numb toes & feet”	28 (93%)	66 (90%)	0.633
Chief first complaint number abnormal (percent)	“Tremor”	2 (7%)	7 (10%)	0.633
Romberg’s’ sign number abnormal (percent)		9 (30%)	29 (41%)	0.352
Tremor by examination number abnormal (percent)		6 (20%)	20 (27%)	0.432
NIS reflex abnormality		median = 6, range 0–20	median = 8, range 0–20	0.543
NIS sensory abnormality		median = 7, range 2–26	median = 10, range 2–32	0.352
NIS motor abnormality		median = 7, range 0–46	median = 8, range 0–64	0.442
Duration (yrs.) of symptoms prior to NCS		median = 2.0, range 0.1–20.0	median = 3.0, range 0.2–29	0.329

NIS=Neuropathy Impairment Score; NCS= Nerve Conduction Studies