A compound attribute that is the ratio of amount of C-type lectin domain family 1 member A (human) in blood to amount of prosaposin receptor GPR37 (human) in blood. The trait is CLEC1A/GPR37 protein level ratio in blood (Ontology of Biological Attributes id OBA_2054982). Also known as: the ratio of amount of C-type lectin domain family 1 member A (human) in blood to amount of prosaposin receptor GPR37 (human) in blood.