A compound attribute that is the ratio of amount of dickkopf-related protein 1 (human) in blood to amount of vascular endothelial growth factor A, long form (human) in blood. The trait is DKK1/VEGFA protein level ratio in blood (OBA_2054013, an Ontology of Biological Attributes term). Also known as: the ratio of amount of dickkopf-related protein 1 (human) in blood to amount of vascular endothelial growth factor A, long form (human) in blood.