Journal of the Neurological Sciences | VOL. 443

Predictors of overlapping autoimmune disease in Neuromyelitis Optica Spectrum disorder (NMOSD): A retrospective analysis in two inner-city hospitals.

Publication Date Dec 1, 2022


The coexistence of Neuromyelitis Optica spectrum disorder (NMOSD) with other autoimmune diseases (AD-NMOSD) presents worse clinical outcomes and healthcare costs than NMOSD alone (NMOSD-only). NMOSD and other autoimmune diseases also have a higher prevalence and morbidity in Black. We aim to compare clinical features and treatment responses in NMOSD patients with and without overlapping autoimmunity in a predominantly Black cohort. We further identify predictors associated with each clinical subtype. AD-NMOSD (n=14) and NMOSD-only (n=27) patients were identified retrospectively. Demographic, clinical, laboratory, imaging, and response to treatment data were examined. Our cohort was predominately Black (82.9%). The prevalence of grouped-comorbidities, history of infections, sensory symptoms, Expanded Disability Status Scale (EDSS) before treatment, double-stranded DNA, antinuclear, ribonucleoprotein, and antiphospholipid antibodies, spinal-cord edema, white matter occipital lesions, and the levels of C-reactive protein, urine protein/creatinine, white blood cell count in cerebrospinal fluid (CSF), were higher in AD-NMOSD patients (p<0.05 and/or Cramer's V>30, Cohen's d>50), whereas the age of males, visual symptoms, serum albumin, platelet count, and optic nerve enhancement were lower. EDSS after treatment improved in both groups being more evident in NMOSD-only patients (p=0.003, SE=0.58 vs p=0.075, SE=0.51). Other variables had a close to moderate SE, and others did not differ between NMOSD subtypes. A higher frequency of g...


Neuromyelitis Optica Spectrum Disorder Expanded Disability Status Scale Neuromyelitis Optica Spectrum Disorder Patients Cell Count In Cerebrospinal Fluid Platelet Count Optic Nerve Enhancement Spinal-cord Edema Levels Of C-reactive Protein Lower Serum Albumin White Blood Cell Count

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