CD79A and systemic lupus erythematosus: A prospective cohort study of 821 SLE patients also found that aβ2GPI IgA were associated with thrombosis (OR 2.00, 95%CI: 1.22–3.3), with a particularly high risk for venous thrombosis (OR 2.8, 95%CI: 1.42–5.51) [24].