A compound attribute that is the ratio of amount of arylsulfatase A (human) in blood to amount of lysosomal phospholipase A and acyltransferase (human) in blood. The trait is Ontology of Biological Attributes identifier OBA_2054095 (ARSA/PLA2G15 protein level ratio in blood). Also known as: the ratio of amount of arylsulfatase A (human) in blood to amount of lysosomal phospholipase A and acyltransferase (human) in blood.