NPY/SMOC1 protein level ratio in blood (OBA_2055189) can be described as follows. A compound attribute that is the ratio of amount of pro-neuropeptide Y (human) in blood to amount of SPARC-related modular calcium-binding protein 1 (human) in blood. Also known as: the ratio of amount of pro-neuropeptide Y (human) in blood to amount of SPARC-related modular calcium-binding protein 1 (human) in blood.