Distinct IgM and IgG autoantibody profiles characterize incomplete and classified systemic autoimmune diseases
Incomplete lupus erythematosus (ILE) and non-Sjögren’s disease sicca (nSjD-sicca) are clinically heterogeneous, incompletely classified autoimmune conditions that share features with systemic lupus erythematosus (SLE) and Sjögren’s disease (SjD), respectively. Although some pati…