A compound attribute that is the ratio of amount of myelin-oligodendrocyte glycoprotein (human) in blood to amount of retbindin (human) in blood. The trait is MOG/RTBDN protein level ratio in blood (OBA_2054586). Also known as: the ratio of amount of myelin-oligodendrocyte glycoprotein (human) in blood to amount of retbindin (human) in blood.