A compound attribute that is the ratio of amount of C-X-C motif chemokine 11 (human) in blood to amount of dickkopf-related protein 1 (human) in blood. The trait is CXCL11/DKK1 protein level ratio in blood (OBA_2055186, an Ontology of Biological Attributes id). Also known as: the ratio of amount of C-X-C motif chemokine 11 (human) in blood to amount of dickkopf-related protein 1 (human) in blood.