Plasma Exchange in Severe Attacks of Neuromyelitis Optica

Table 1

Disability measured as EDSS during spinal attacks stratified with basal impairment. St: steroid-only-treated group; 𝑆𝑡+𝑃𝐸: steroid- and PE-treated group. Values are given as mean (SD) (from [37]).

	Basal EDSS (null)			Basal EDSS (1.0 to 5.5)			Basal EDSS (≥6.0)
	St	St+PE	𝑃	St	St+PE	𝑃	St	St+PE	𝑃
	(𝑛=17)	(𝑛=7)		(𝑛=26)	(𝑛=13)		(𝑛=24)	(𝑛=9)
Basal EDSS	0 (0)	0 (0)	0.99	3.9 (0.8)	3.9 (1.6)	0.59	7.4 (1.0)	7.1 (0.8)	0.52
Acute EDSS	7.1 (1.5)	7.6 (1.2)	0.52	7.6 (1.3)	7.6 (1.1)	0.67	8.9 (0.9)	8.6 (0.6)	0.24
Residual EDSS	5.9 (1.9)	2.1 (1.9)	<0.01	5.8 (1.6)	5.1 (1.1)	0.21	8.5 (1.1)	7.6 (1.0)	0.05
ΔEDSS	5.9 (1.9)	2.1 (1.9)	<0.01	2.0 (1.5)	1.2 (1.6)	0.10	1.1 (0.8)	0.5 (0.8)	0.11