A compound attribute that is the ratio of amount of islet cell autoantigen 1 (human) in blood to amount of TRAF family member-associated NF-kappa-B activator (human) in blood. The trait is OBA_2052982 (ICA1/TANK protein level ratio in blood). Also known as: the ratio of amount of islet cell autoantigen 1 (human) in blood to amount of TRAF family member-associated NF-kappa-B activator (human) in blood.