title: Incidence of delirium in very old patients after surgery for hip fracture.
authors.forename: Donal
authors.initials: D
authors.lastname: O'Hanlon
mesh_terms: D000368:Aged; D003693:Delirium / Q000175:diagnosis / Q000209:etiology*; D039721:Diagnostic and Statistical Manual of Mental Disorders; D006620:Hip Fractures / Q000601:surgery*; D006801:Humans; D011183:Postoperative Complications / Q000523:psychology*; D012720:Severity of Illness Index