A compound attribute that is the ratio of amount of macrophage colony-stimulating factor 1 (human) in blood to amount of interleukin-10 receptor subunit beta (human) in blood. The trait is Ontology of Biological Attributes term OBA_2054466 (CSF1/IL10RB protein level ratio in blood). Also known as: the ratio of amount of macrophage colony-stimulating factor 1 (human) in blood to amount of interleukin-10 receptor subunit beta (human) in blood.