A compound attribute that is the ratio of amount of tumor necrosis factor receptor superfamily member EDAR (human) in blood to amount of interleukin-1 receptor-associated kinase 4 (human) in blood. The trait is EDAR/IRAK4 protein level ratio in blood (OBA_2055623, an Ontology of Biological Attributes term). Also known as: the ratio of amount of tumor necrosis factor receptor superfamily member EDAR (human) in blood to amount of interleukin-1 receptor-associated kinase 4 (human) in blood.