• Leontien M G Nijland, Julian Karres, Anouk E Simons, and Jan M Ultee.
• Department of Surgery, OLVG Hospital, Amsterdam, The Netherlands.
• Injury. 2017 Jul 1; 48 (7): 1536-1541.

IntroductionIncreased mortality rates have been reported for emergency admissions during weekends and outside office hours. Research on the weekend effect in hip fracture patients is however limited and demonstrates conflicting results. The aim of this study was to determine the effect of weekend admission and weekend surgery on 30-day and 1-year mortality following hip fracture surgery.Patients And MethodsAll patients who underwent hip fracture surgery in our hospital between 2004 and 2015 were included in this retrospective study. Patient characteristics including age, gender, fracture type, American Society of Anesthesiologists (ASA) score, Nottingham Hip Fracture Score (NHFS), Charlson Comorbidity Index (CCI) and length of stay were collected. Information on admission and surgery date and time of day was recorded, as were in-hospital, 30-day and 1-year mortality. Multivariable logistic regression analysis was performed to identify independent predictors of 30-day and 1-year mortality.ResultsA total of 1803 patients were included, 546 patients (30.3%) were admitted during the weekend. Patient characteristics did not differ between weekday and weekend admissions. Surgical delay was less frequent in patients undergoing weekend surgery. Multivariable analysis demonstrated that older age, higher ASA score, higher NHFS and increased surgical delay were independently associated with 30-day mortality. One-year mortality was associated with age, gender, ASA score, CCI and surgical delay. Weekend admission and weekend surgery were not associated with increased 30-day or 1-year mortality.ConclusionsThere was no weekend effect for hip fracture patients in our study. These results indicate an adequate level of perioperative care outside weekday office hours within our health care system.Copyright © 2017 Elsevier Ltd. All rights reserved.

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