A compound attribute that is the ratio of amount of ephrin type-B receptor 4 (human) in blood to amount of intercellular adhesion molecule 2 (human) in blood. The trait is EPHB4/ICAM2 protein level ratio in blood (OBA_2054724). Also known as: the ratio of amount of ephrin type-B receptor 4 (human) in blood to amount of intercellular adhesion molecule 2 (human) in blood.