A compound attribute that is the ratio of amount of C-X-C motif chemokine 5 (human) in blood to amount of C-X-C motif chemokine 6 (human) in blood. The trait is CXCL5/CXCL6 protein level ratio in blood (OBA_2055099). Also known as: the ratio of amount of C-X-C motif chemokine 5 (human) in blood to amount of C-X-C motif chemokine 6 (human) in blood.