A compound attribute that is the ratio of amount of cyclin-dependent kinase inhibitor 1 (human) in blood to amount of disabled homolog 2 (human) in blood. The trait is Ontology of Biological Attributes entry OBA_2055439 (CDKN1A/DAB2 protein level ratio in blood). Also known as: the ratio of amount of cyclin-dependent kinase inhibitor 1 (human) in blood to amount of disabled homolog 2 (human) in blood.