Frailty is an independent risk factor for progressive physical dependence and mortality.Delirium is associated with poor long-term outcomes, including increased institutionalization, cognitive impairment, falls, and pneumonia. Hospitalized patients with dementia have increased short-term morbidity and mortality and do not return to previous baseline functional status after acute decompensation resolves. Prognostication tools and performance scales such as the Palliative Performance Scale should be used to help determine rehabilitation expectations. Goals of care should be determined before entering into a rehabilitation service.