A compound attribute that is the ratio of amount of CCN family member 2 (human) in blood to amount of dickkopf-related protein 1 (human) in blood. The trait is Ontology of Biological Attributes id OBA_2055223 (CCN2/DKK1 protein level ratio in blood). Also known as: the ratio of amount of CCN family member 2 (human) in blood to amount of dickkopf-related protein 1 (human) in blood.