A compound attribute that is the ratio of amount of CD160 antigen (human) in blood to amount of killer cell lectin-like receptor subfamily B member 1 (human) in blood. The trait is OBA_2055269 (CD160/KLRB1 protein level ratio in blood). Also known as: the ratio of amount of CD160 antigen (human) in blood to amount of killer cell lectin-like receptor subfamily B member 1 (human) in blood.