Aquaporin-4 Autoantibody Detection by ELISA: A Retrospective Characterization of a Commonly Used Assay

Table 2

Ancillary test results.

	NMOSD		Other
	High positive (range)	Moderate positive (range)
	CSF testing reported
Pleocytosis (cells/mm^3)	4 (12–282)	4 (0–106)	2 (5–246)
Protein (mg/dL)	4 (41–106)	4 (27–48)	2 (32–122)
Oligoclonal bands,	5	4	3
CSF unique,	2 (1–3)	2 (1–3)	2 (3–4)
Matched,	4	1	1
None	1	1	0
Autoimmune markers/immune dysfunction
SSA/B	2	N/R	N/R
RF	1	N/R	N/R
ANA	1	N/R	N/R
Myasthenia	N/R	1	N/R
Hypogammaglobulinemia	N/R	N/R	1

N/R: not reported. “Matched” refers to identical oligoclonal band detection in both serum and CSF.