Appendix 1.

Search Terms for the Identification of Articles Eligible for Scoping Review

Database	Search Terms	Results
PubMed (May 17, 2017)	((“Outcome Assessment (Health Care)”[Mesh] OR “Patient Outcome Assessment”[Mesh] OR “measurement instrument” OR psychometrics OR clinimetric OR “functional outcomes” OR validity OR validation OR reliability OR “cross cultural” OR “clinicophysiologic evaluation” OR) AND (“Intensive Care Units”[Mesh] OR “critical care” OR “critical patient” OR “intensive care” OR “Critical Illness”[Mesh]) OR “mechanically ventilated patients”)) AND (“Early Ambulation”[Mesh] OR “physical funct*” OR “functional status” OR rehabilitation OR “Mobility Limitation”[Mesh] OR Mobili* OR “exercise capacity” OR “functional capacity” OR “functional independence” OR muscle OR “physical impairment” OR disability OR walking OR “Activities of Daily Living”[Mesh] OR “limb strength”) Limits: to present Language filters: English and Spanish	3677
LILACS (May 17, 2017)	(“Evaluación del resultado del paciente” OR “instrumento de medición” OR psicometría OR “resultados funcionales” clinimétricos OR validez OR validación OR confiabilidad OR “adaptación transcultural” OR “evaluación clinicofisiológica”) AND (“unidad de cuidado intensivo” OR “cuidado crítico” OR “paciente crítico” OR “cuidado intensivo” OR “enfermedad crítica” OR “pacientes ventilados mecánicamente”) AND (“deambulación temprana” OR “función física” OR “estado funcional” OR rehabilitación OR “Limitación de movilidad” OR Mobili* OR “capacidad de ejercicio” OR “capacidad funcional” OR “independencia funcional” OR músculo OR “impedimento físico” OR discapacidad OR caminar OR “Actividades de la vida diaria” OR “fuerza de la extremidad”) Limits: from inception to present Language filters: English and Spanish	355
Cochrane CENTRAL (May 17, 2017)	(“Patient Outcome Assessment” OR “measurement instrument” OR psychometrics OR clinimetric OR “functional outcomes” OR validity OR validation OR reliability OR “cross cultural” OR “clinicophysiologic evaluation”) AND (“Intensive Care Units” OR “critical care” OR “critical patient” OR “intensive care” OR “Critical Illness” OR “mechanically ventilated patients”) AND (“Early Ambulation” OR “physical funct*” OR “functional status” OR rehabilitation OR “Mobility Limitation” OR Mobili* OR “exercise capacity” OR “functional capacity” OR “functional independence” OR muscle OR “physical impairment” OR disability OR walking OR “Activities of Daily Living” OR “limb strength”) Limits: from inception to present Language filters: English and Spanish	105
CINAHL (May 17, 2017)	(“Patient Outcome Assessment” OR “measurement instrument” OR psychometrics OR clinimetric OR “functional outcomes” OR validity OR validation OR reliability OR “cross cultural” OR “clinicophysiologic evaluation”) AND (“Intensive Care Units” OR “critical care” OR “critical patient” OR “intensive care” OR “Critical Illness” OR “mechanically ventilated patients”) AND (“Early Ambulation” OR “physical funct*” OR “functional status” OR rehabilitation OR “Mobility Limitation” OR Mobili* OR “exercise capacity” OR “functional capacity” OR “functional independence” OR muscle OR “physical impairment” OR disability OR walking OR “Activities of Daily Living” OR “limb strength”) Limits: from inception to present Language filters: English	84