A compound attribute that is the ratio of amount of cadherin-17 (human) in blood to amount of polypeptide N-acetylgalactosaminyltransferase 3 (human) in blood. The trait is CDH17/GALNT3 protein level ratio in blood (OBA_2053411, an Ontology of Biological Attributes identifier). Also known as: the ratio of amount of cadherin-17 (human) in blood to amount of polypeptide N-acetylgalactosaminyltransferase 3 (human) in blood.