A compound attribute that is the ratio of amount of Rho-related GTP-binding protein RhoC (human) in blood to amount of tubulin-folding cofactor B (human) in blood. The trait is RHOC/TBCB protein level ratio in blood (OBA_2053141). Also known as: the ratio of amount of Rho-related GTP-binding protein RhoC (human) in blood to amount of tubulin-folding cofactor B (human) in blood.