A compound attribute that is the ratio of amount of macrophage colony-stimulating factor 1 (human) in blood to amount of C-X-C motif chemokine 10 (human) in blood. The trait is CSF1/CXCL10 protein level ratio in blood (Ontology of Biological Attributes id OBA_2054464). Also known as: the ratio of amount of macrophage colony-stimulating factor 1 (human) in blood to amount of C-X-C motif chemokine 10 (human) in blood.