A compound attribute that is the ratio of amount of dipeptidyl peptidase 1 (human) in blood to amount of lysosomal phospholipase A and acyltransferase (human) in blood. The trait is CTSC/PLA2G15 protein level ratio in blood (OBA_2054618). Also known as: the ratio of amount of dipeptidyl peptidase 1 (human) in blood to amount of lysosomal phospholipase A and acyltransferase (human) in blood.