The amount of a apoptosis-inducing factor 1, mitochondrial (human) when measured in cerebrospinal fluid. The trait is level of apoptosis-inducing factor 1, mitochondrial (human) in cerebrospinal fluid (OBA_2056548, an Ontology of Biological Attributes identifier). Also known as: cerebrospinal fluid apoptosis-inducing factor 1, mitochondrial (human) amount.