A compound attribute that is the ratio of amount of intercellular adhesion molecule 2 (human) in blood to amount of platelet endothelial cell adhesion molecule (human) in blood. The trait is Ontology of Biological Attributes id OBA_2054339 (ICAM2/PECAM1 protein level ratio in blood). Also known as: the ratio of amount of intercellular adhesion molecule 2 (human) in blood to amount of platelet endothelial cell adhesion molecule (human) in blood.