OBA_2055136 (NPDC1/PILRB protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of neural proliferation differentiation and control protein 1 (human) in blood to amount of paired immunoglobulin-like type 2 receptor beta (human) in blood. Also known as: the ratio of amount of neural proliferation differentiation and control protein 1 (human) in blood to amount of paired immunoglobulin-like type 2 receptor beta (human) in blood.