CDCP1/IL18BP protein level ratio in blood (OBA_2053408, an Ontology of Biological Attributes id) can be described as follows. A compound attribute that is the ratio of amount of CUB domain-containing protein 1 (human) in blood to amount of interleukin-18-binding protein (human) in blood. Also known as: the ratio of amount of CUB domain-containing protein 1 (human) in blood to amount of interleukin-18-binding protein (human) in blood.