The amount of a mitochondrial Rho GTPase 1 (human) when measured in cerebrospinal fluid. The trait is level of mitochondrial Rho GTPase 1 (human) in cerebrospinal fluid (OBA_2059695, an Ontology of Biological Attributes term). Also known as: cerebrospinal fluid mitochondrial Rho GTPase 1 (human) amount.