A compound attribute that is the ratio of amount of macrophage migration inhibitory factor (human) in blood to amount of phosphatidylethanolamine-binding protein 1 (human) in blood. The trait is MIF/PEBP1 protein level ratio in blood (OBA_2054458, an Ontology of Biological Attributes term). Also known as: the ratio of amount of macrophage migration inhibitory factor (human) in blood to amount of phosphatidylethanolamine-binding protein 1 (human) in blood.