A compound attribute that is the ratio of amount of CD83 antigen (human) in blood to amount of triggering receptor expressed on myeloid cells 2 (human) in blood. The trait is OBA_2053379 (CD83/TREM2 protein level ratio in blood). Also known as: the ratio of amount of CD83 antigen (human) in blood to amount of triggering receptor expressed on myeloid cells 2 (human) in blood.