A compound attribute that is the ratio of amount of basement membrane-specific heparan sulfate proteoglycan core protein (human) in blood to amount of vasorin (human) in blood. The trait is OBA_2052964 (HSPG2/VASN protein level ratio in blood). Also known as: the ratio of amount of basement membrane-specific heparan sulfate proteoglycan core protein (human) in blood to amount of vasorin (human) in blood.