A compound attribute that is the ratio of amount of leukocyte-associated immunoglobulin-like receptor 1 (human) in blood to amount of urokinase plasminogen activator surface receptor (human) in blood. The trait is OBA_2054876 (LAIR1/PLAUR protein level ratio in blood). Also known as: the ratio of amount of leukocyte-associated immunoglobulin-like receptor 1 (human) in blood to amount of urokinase plasminogen activator surface receptor (human) in blood.