The amount of a RNA-binding motif, single-stranded-interacting protein 1 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes term OBA_2057590 (level of RNA-binding motif, single-stranded-interacting protein 1 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid RNA-binding motif, single-stranded-interacting protein 1 (human) amount.