Prevalence and levels of autoantibodies in serum of patients with central and peripheral NPSLE, and non-NPSLE at baseline and 6 months.

AThe NMDAR antibody was measured in 23 central and 5 peripheral NPSLE, and in 40 non-NPSLE patients at baseline and 6 months.
BOnly patients who scored positive at baseline for the specific antibody were considered, Central NPSLE/Peripheral NPSLE/non-NPSLE: anti-dsDNA 27/5/30, anti-ribosomal P 21/4/13, anticardiolipin IgG 5/2/11, anti-β2-glycoprotein-I 22/4/23, anti-NMDAR 8/0/12.