A compound attribute that is the ratio of level of neutrophil defensin 1 (human) in blood to amount of neutrophil gelatinase-associated lipocalin (human) in blood. The trait is DEFA1/LCN2 protein level ratio in blood (Ontology of Biological Attributes entry OBA_2054084). Also known as: the ratio of level of neutrophil defensin 1 (human) in blood to amount of neutrophil gelatinase-associated lipocalin (human) in blood.