MIF/STIP1 protein level ratio in blood (Ontology of Biological Attributes entry OBA_2054461) can be described as follows. A compound attribute that is the ratio of amount of macrophage migration inhibitory factor (human) in blood to amount of stress-induced-phosphoprotein 1 (human) in blood. Also known as: the ratio of amount of macrophage migration inhibitory factor (human) in blood to amount of stress-induced-phosphoprotein 1 (human) in blood.