A compound attribute that is the ratio of amount of interleukin-27 subunit beta in blood to amount of vascular cell adhesion protein 1 (human) in blood. The trait is IL-27B/VCAM1 protein level ratio in blood (OBA_2055616). Also known as: the ratio of amount of interleukin-27 subunit beta in blood to amount of vascular cell adhesion protein 1 (human) in blood.