A compound attribute that is the ratio of amount of inositol monophosphatase 1 (human) in blood to amount of Rho-related GTP-binding protein RhoC (human) in blood. The trait is IMPA1/RHOC protein level ratio in blood (Ontology of Biological Attributes term OBA_2054369). Also known as: the ratio of amount of inositol monophosphatase 1 (human) in blood to amount of Rho-related GTP-binding protein RhoC (human) in blood.