A compound attribute that is the ratio of amount of integrin beta-1 (human) in blood to amount of neural cell adhesion molecule 1 (human) in blood. The trait is ITGB1/NCAM1 protein level ratio in blood (OBA_2055481). Also known as: the ratio of amount of integrin beta-1 (human) in blood to amount of neural cell adhesion molecule 1 (human) in blood.