A compound attribute that is the ratio of amount of charged multivesicular body protein 1a (human) in blood to amount of cytosolic phospholipase A2 (human) in blood. The trait is CHMP1A/PLA2G4A protein level ratio in blood (OBA_2055575, an Ontology of Biological Attributes id). Also known as: the ratio of amount of charged multivesicular body protein 1a (human) in blood to amount of cytosolic phospholipase A2 (human) in blood.