• Esther S Oh, Frederick E Sieber, Jeannie-Marie Leoutsakos, Sharon K Inouye, and Hochang B Lee.
• Department of Medicine, Johns Hopkins University, Baltimore, Maryland.
• J Am Geriatr Soc. 2016 Aug 1; 64 (8): 1616-21.

ObjectivesTo describe the differences observed in risk factors for delirium and outcomes between men and women undergoing hip fracture repair surgery.DesignProspective cohort study.SettingAcademic medical center.ParticipantsIndividuals with acute hip fracture admitted to an academic medical center (N = 431).MeasurementsInformation on preoperative demographic characteristics, medical history, laboratory results, and postoperative outcomes was obtained according to history and chart review. Delirium was assessed using the Confusion Assessment Method.ResultsThe overall incidence of postoperative delirium was 34%, with men more likely to experience postoperative delirium (44.8%) than women (30.2%) (P = .004). Male sex was associated with postoperative delirium in individuals with hip fracture, even after adjusting for other preoperative risk factors. Other significant preoperative risk factors included age, dementia, Parkinson's disease, and American Society of Anesthesiologists classification. Men were also more likely to experience other postoperative complications and have longer hospital length of stay.ConclusionMen are at higher risk of postoperative delirium after hip fracture repair than women and have more postoperative surgical complications. Their higher risk of postoperative delirium may be due to their underlying preoperative disease severity.© 2016, Copyright the Authors Journal compilation © 2016, The American Geriatrics Society.

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