A compound attribute that is the ratio of amount of Kazal-type serine protease inhibitor domain-containing protein 1 (human) in blood to amount of vascular cell adhesion protein 1 (human) in blood. The trait is KAZALD1/VCAM1 protein level ratio in blood (Ontology of Biological Attributes identifier OBA_2055497). Also known as: the ratio of amount of Kazal-type serine protease inhibitor domain-containing protein 1 (human) in blood to amount of vascular cell adhesion protein 1 (human) in blood.