A compound attribute that is the ratio of amount of lymphocyte function-associated antigen 3 (human) in blood to amount of tumor necrosis factor receptor superfamily member 3 (human) in blood. The trait is CD58/LTBR protein level ratio in blood (Ontology of Biological Attributes id OBA_2054165). Also known as: the ratio of amount of lymphocyte function-associated antigen 3 (human) in blood to amount of tumor necrosis factor receptor superfamily member 3 (human) in blood.