Heterogeneity of Polyneuropathy Associated with Anti-MAG Antibodies

Table 2

Main clinical and laboratory data from 2 subpopulations of patients with polyneuropathy and anti-MAG antibodies according to nerve conduction findings.

	Patients with the anti-MAG pattern	Patients with the CIDP-like pattern	Statistical significance
Typical widening of myelin lamellae	21/27 (78%)	2/12 (17%)
Positive indirect immunofluorescence	20/22 (91%)	3/10 (30%)
Anti-MAG antibodies >10 000 BTU	32/37 (86%)	7/17 (41%)
Mean titer of anti-MAG antibodies (SD)	38410 (26626)	20560 (23097)