2Allen C.,Glasziou P,Del Mar C,et al.Bed Rest:A Potentially Harmful Treatment Needing More Careful Evaluation[J].Lancet,1999,9186(354):1229-1233.
3Pfeiffer E.A short portable mental status questionnaire for the assessment of organic brain deficit in elderly patients[J].J Am Geriatr Soc,1975,23:433-441.
4Pendergast DR,Fisher NM,Calkins E.Cardiovascular,neuromuscular,and metabolic alterations with age leading to frailty[J].J Gerontol,1993,48(Spec Iss):61-67.
5Warshaw GA,Moore JT,Friedman SW,et al.Functional disability in the hospitalized elderly[J].JAMA,1982,248:847-850.
7Lindgren M.Unosson M.Fredrikson M.Immobility--a major risk factor for development of pressure ulcers among adult hospitalized patients:a prospective study[J].Scandinavian Journal of Caring Sciences,2004,18(1):57-64.
8Lamont CT,Sampson S,Matthias R,et al.The Outcome of Hospitalization for Acute Illness in the Elderly.Journal of the American Geriatric Society,1983,31:282-288.
9Vorhies D,Riley BE.Deconditioning[J].Clinics in Geriatric Medicine,1993,4:745-763.