RARRES2/TFPI protein level ratio in blood (OBA_2053227) can be described as follows. A compound attribute that is the ratio of amount of retinoic acid receptor responder protein 2 (human) in blood to amount of tissue factor pathway inhibitor (human) in blood. Also known as: the ratio of amount of retinoic acid receptor responder protein 2 (human) in blood to amount of tissue factor pathway inhibitor (human) in blood.