title: Statistician's view.
authors.affiliation: Health Service and Population Research, King's College London (Institute of Psychiatry), London, UK.
authors.forename: Michael
authors.initials: M
authors.lastname: Dewey
mesh_terms: D004636:Emergency Service, Hospital; D016330:Frail Elderly; D015577:Geriatric Assessment; D006757:Hospital Units; D006801:Humans