A compound attribute that is the ratio of amount of angiopoietin-1 (human) in blood to amount of CCN family member 2 (human) in blood. The trait is ANGPT1/CCN2 protein level ratio in blood (Ontology of Biological Attributes id OBA_2054268). Also known as: the ratio of amount of angiopoietin-1 (human) in blood to amount of CCN family member 2 (human) in blood.