OLR1/PLAUR protein level ratio in blood (OBA_2055142, an Ontology of Biological Attributes identifier) can be described as follows. A compound attribute that is the ratio of amount of oxidized low-density lipoprotein receptor 1 (human) in blood to amount of urokinase plasminogen activator surface receptor (human) in blood. Also known as: the ratio of amount of oxidized low-density lipoprotein receptor 1 (human) in blood to amount of urokinase plasminogen activator surface receptor (human) in blood.