Meanwhile, the results of IgM–aPL were different; the presence of IgM–aPL was associated with venous thrombosis [OR 3.078 (1.2–7.896), P=0.019] and thrombocytopenia [OR 4.977 (1.512–16.387), P=4.977]. The gene discussed is FASLG; the disease is Thrombocytopenia.