A compound attribute that is the ratio of amount of scavenger receptor class A member 5 (human) in blood to amount of transforming growth factor-beta-induced protein ig-h3 (human) in blood. The trait is Ontology of Biological Attributes term OBA_2053326 (SCARA5/TGFBI protein level ratio in blood). Also known as: the ratio of amount of scavenger receptor class A member 5 (human) in blood to amount of transforming growth factor-beta-induced protein ig-h3 (human) in blood.