In another meta-analysis of SLE patients, aCL positivity was associated with a 2.17-fold risk of venous thrombosis (95%CI: 1.51–3.11) and a 3.91-fold risk of recurrent venous thrombosis (95%CI: 1.14–13.38) [26]. This evidence concerns the gene ACLY and systemic lupus erythematosus.