Table 1.

Eligibility criteria according to population, concept, context and types of evidence.

	Inclusion	Exclusion
Population	Patients aged ≥75 years. Hospitalised for an acute event due to a common age-associated disease in one of the specialties of orthopaedics, oncology, cardiology or neurology (eg, fracture, joint replacement, cancer surgery, heart valve implantation, heart failure, decompensation, stroke).	Patients aged <75 years. No hospitalisation. Hospitalised for diseases in other fields than the indicated specialties.
Concept	Studies assessing the effects of Multicomponent rehabilitation (MR) defined as: exercise training and at least one additional component (eg, nutritional counselling, patient education, social support, psychotherapy, logopaedics, occupational therapy). In comparison to usual care defined as medical care by the general practitioner or specialist including counselling and pharmacotherapy; no rehabilitation. Primary outcome Care dependency Secondary outcomes: health-related quality of life, physical function (eg, mobility, muscle strength), activities of daily living, rehospitalisation, mortality.	Non-multicomponent or non-exercise rehabilitation interventions defined as singular component interventions or interventions without an active training of participants. Control group procedure different from defined usual care. Any outcome different from defined primary and secondary outcomes.
Context (ie, specific setting of MR delivery)	MR started within 3 months after hospital discharge. Inpatient, outpatient or mixed. Centre-based. Follow-up at least 6 months after MR discharge.	MR started later than 3 months after hospital discharge. Home-based or telerehabilitation. No follow-up or follow-up shorter than 6 months after MR discharge.
Types of evidence	Randomised controlled trial, Prospective controlled cohort study or Retrospective controlled cohort study.	Reviews (eg, systematic, narrative). Case series or report. Study protocols, abstracts, posters or dissertations.