Table 4.

Diagnostic categories [Van Schaik et al. 2010].

Definite MMN

Clinical criteria 1, 2, and 8–11 (Table 1) AND electrophysiological criteria 1 and 3 in one nerve (Table 2)

Probable MMN

Clinical criteria 1, 2, and 8–11 AND electrophysiological criteria 2 and 3 in two nerves

Clinical criteria 1, 2, and 8–11 AND electrophysiological criteria 2 and 3 in one nerve AND at least

two supportive criteria 1–4 (Table 3)

Possible MMN

Clinical criteria 1, 2, and 8–11 AND normal sensory nerve conduction studies AND supportive criteria 4

Clinical criteria 1 with clinical signs present in only one nerve, clinical criteria, 2, and 8–11 AND electrophysiological criteria 1 or 2 and 3 in one nerve

MMN, multifocal motor neuropathy.