A compound attribute that is the ratio of amount of insulin-like growth factor-binding protein 4 (human) in blood to amount of mimecan (human) in blood. The trait is IGFBP4/OGN protein level ratio in blood (OBA_2054354, an Ontology of Biological Attributes id). Also known as: the ratio of amount of insulin-like growth factor-binding protein 4 (human) in blood to amount of mimecan (human) in blood.