A compound attribute that is the ratio of amount of C-X-C motif chemokine 6 (human) in blood to amount of DNA fragmentation factor subunit alpha (human) in blood. The trait is Ontology of Biological Attributes term OBA_2055109 (CXCL6/DFFA protein level ratio in blood). Also known as: the ratio of amount of C-X-C motif chemokine 6 (human) in blood to amount of DNA fragmentation factor subunit alpha (human) in blood.