A compound attribute that is the ratio of amount of Delta(14)-sterol reductase LBR (human) in blood to amount of leukocyte elastase inhibitor (human) in blood. The trait is OBA_2054957 (LBR/SERPINB1 protein level ratio in blood). Also known as: the ratio of amount of Delta(14)-sterol reductase LBR (human) in blood to amount of leukocyte elastase inhibitor (human) in blood.