ACLY and systemic lupus erythematosus: Case-only analysis demonstrated association between rs2476601 and anticardiolipin IgG (aCL IgG >20) antibody using 121 patients positive compared to 578 SLE patients known to be negative for aCL IgG (P = 0.012, OR = 1.65 (95%CI = 1.11–2.46)) (Table 2).