A compound attribute that is the ratio of amount of dickkopf-related protein 1 (human) in blood to amount of nidogen-2 (human) in blood. The trait is DKK1/NID2 protein level ratio in blood (OBA_2053979). Also known as: the ratio of amount of dickkopf-related protein 1 (human) in blood to amount of nidogen-2 (human) in blood.