A compound attribute that is the ratio of amount of lysosome-associated membrane glycoprotein 3 (human) in blood to amount of Kunitz-type protease inhibitor 1 (human) in blood. The trait is LAMP3/SPINT1 protein level ratio in blood (OBA_2054881). Also known as: the ratio of amount of lysosome-associated membrane glycoprotein 3 (human) in blood to amount of Kunitz-type protease inhibitor 1 (human) in blood.