A compound attribute that is the ratio of amount of EGF-containing fibulin-like extracellular matrix protein 1 (human) in blood to amount of interleukin-18-binding protein (human) in blood. The trait is EFEMP1/IL18BP protein level ratio in blood (OBA_2055590). Also known as: the ratio of amount of EGF-containing fibulin-like extracellular matrix protein 1 (human) in blood to amount of interleukin-18-binding protein (human) in blood.