A compound attribute that is the ratio of amount of sialoadhesin (human) in blood to amount of soluble scavenger receptor cysteine-rich domain-containing protein SSC5D (human) in blood. The trait is OBA_2055646 (SIGLEC1/SSC5D protein level ratio in blood). Also known as: the ratio of amount of sialoadhesin (human) in blood to amount of soluble scavenger receptor cysteine-rich domain-containing protein SSC5D (human) in blood.