title: Criterion Validity of a Frailty Index Derived from the Easycare Instrument.
authors.affiliation: Department of Geriatrics, Radboud university medical center, Nijmegen, the Netherlands.
authors.forename: Noralie H
authors.initials: NH
authors.lastname: Geessink
authors.affiliation: Department of Geriatrics, Radboud university medical center, Nijmegen, the Netherlands.
authors.forename: Yvonne
authors.initials: Y
authors.lastname: Schoon
authors.affiliation: Department of Geriatrics, Radboud university medical center, Nijmegen, the Netherlands.
authors.forename: Marcel G M
authors.initials: MG
authors.lastname: Olde Rikkert
authors.affiliation: Department of Geriatrics, Radboud university medical center, Nijmegen, the Netherlands.
authors.forename: René J
authors.initials: RJ
authors.lastname: Melis
mesh_terms: D000368:Aged; D005260:Female; D016330:Frail Elderly; D000073496:Frailty; D015577:Geriatric Assessment / Q000379:methods; D006299:Health Services for the Aged; D006801:Humans; D008297:Male; D009426:Netherlands; D011594:Psychometrics; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires