A compound attribute that is the ratio of amount of C-type lectin domain family 1 member A (human) in blood to amount of tumor necrosis factor receptor superfamily member 1A (human) in blood. The trait is OBA_2054983 (CLEC1A/TNFRSF1A protein level ratio in blood). Also known as: the ratio of amount of C-type lectin domain family 1 member A (human) in blood to amount of tumor necrosis factor receptor superfamily member 1A (human) in blood.