Research Article

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

Table 2

Ancillary test results.

NMOSDOther
High positive (range)Moderate positive (range)

CSF testing reported
Pleocytosis (cells/mm3)4 (12–282)4 (0–106)2 (5–246)
Protein (mg/dL)4 (41–106)4 (27–48)2 (32–122)
Oligoclonal bands, 543
 CSF unique, 2 (1–3)2 (1–3)2 (3–4)
 Matched, 411
 None110
Autoimmune markers/immune dysfunction
SSA/B2N/RN/R
RF1N/RN/R
ANA1N/RN/R
MyastheniaN/R1N/R
HypogammaglobulinemiaN/RN/R1

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