Table 1.

Epidemiological findings

	Units	Pattern I MS	Patterns II + III MS	Pattern II MS	Pattern III MS	AQP4-Ab+ NMO [48]
Patients	N	10	23	16	7	89
Samples	N	19	49	30	19	211
Age at first LP	Years	30 (13–47)	36 (20–63)	35 (20–51)	38 (26–63)	39.5 (14–79)
Sex ratio	m:f	1:1	1:2.3	1:2.2	1:2.5	1:12.1

LP lumbar puncture, m male, f female

Results in AQP4-IgG-positive NMO as observed in a previous study [48] are given in the last column for comparison. Note the marked difference in the sex ratios between pattern II MS and NMO. Years are given as median and range