"Dead or functionally dependent at 90 days" is an outcome used in expressing what an Evidence is about.

<status value="draft"/> <description value="Dead or functionally dependent at 90 days"/> <actual value="false"/> <characteristic> <description value="Dead or functionally dependent at 90 days"/> <definitionByCombination> <code value="any-of"/> <characteristic> <description value="functionally dependent at 90 days"/> <definitionCodeableConcept> <coding> <system value="http://snomed.info/sct"/> <code value="718705001"/> <display value="Functionally dependent (finding)"/> </coding> </definitionCodeableConcept> <timeFromEvent> <eventCodeableConcept> <coding> <system value="http://hl7.org/fhir/evidence-variable-event"/> <code value="study-start"/> <display value="Study Start"/> </coding> </eventCodeableConcept> <quantity> <value value="90"/> <unit value="day"/> <system value="http://unitsofmeasure.org"/> <code value="d"/> </quantity> </timeFromEvent> </characteristic> <characteristic> <description value="dead at 90 days"/> <definitionCodeableConcept> <coding> <system value="http://snomed.info/sct"/> <code value="419099009"/> <display value="Dead (finding)"/> </coding> </definitionCodeableConcept> <timeFromEvent> <quantity> <value value="90"/> <unit value="day"/> <system value="http://unitsofmeasure.org"/> <code value="d"/> </quantity> </timeFromEvent> </characteristic> </definitionByCombination> </characteristic> <handling value="dichotomous"/> </EvidenceVariable>