F2 and Venous thrombosis: For venous thrombosis, increased odds were observed with aCL (OR 3.27, 1.32–7.92), aβ2GPI (OR 2.68; 1.38–5.11), and aPS/PT (OR 3.24, 2.02–5.29) [42], with the positive association of aPS/PT (OR 2.54, 1.35–4.77) being confirmed in another study [45].