A compound attribute that is the ratio of amount of scavenger receptor class F member 1 (human) in blood to amount of tumor necrosis factor receptor superfamily member 14 (human) in blood. The trait is SCARF1/TNFRSF14 protein level ratio in blood (OBA_2055739). Also known as: the ratio of amount of scavenger receptor class F member 1 (human) in blood to amount of tumor necrosis factor receptor superfamily member 14 (human) in blood.