• John Abraham Mathews, Madhavi Vindlacheruvu, and Vikas Khanduja.
• John Abraham Mathews, Madhavi Vindlacheruvu, Vikas Khanduja, Department of Orthopaedics, Addenbrooke's Hospital, Cambridge CB2 0QQ, United Kingdom.
• World J Orthop. 2016 Oct 18; 7 (10): 678-686.

AimTo compare mortality and time-to-surgery of patients admitted with hip fracture to our teaching hospital on weekdays vs weekends.MethodsData was prospectively collected and retrospectively analysed for 816 hip fracture patients. Multivariate logistic regression was carried out on 3 binary outcomes (time-to-surgery < 36 h; 30-d mortality; 120-d mortality), using the explanatory variables time-of-admission; age; gender; American Society of Anesthesiologist (ASA) grade; abbreviated mental test score (AMTS); fracture type; accommodation admitted from; walking ability outdoors; accompaniment outdoors and season.ResultsBaseline characteristics were not statistically different between those admitted on weekdays vs weekends. Weekend admission was not associated with an increased time-to-surgery (P = 0.975), 30-d mortality (P = 0.842) or 120-d mortality (P = 0.425). Gender (P = 0.028), ASA grade (P < 0.001), AMTS (P = 0.041) and accompaniment outdoors (P = 0.033) were significant co-variates for 30-d mortality. Furthermore, age (P < 0.001), gender (P = 0.011), ASA grade (P < 0.001), AMTS (P < 0.001) and accompaniment outdoors (P = 0.033) all significantly influenced mortality at 120 d. ASA (P < 0.001) and season (P = 0.014) had significant effect on the odds of undergoing surgery in under 36 h.ConclusionWeekend admission was not associated with increased time-to-surgery or mortality in hip fracture patients. Demographic factors affect mortality in accordance with previous published reports.

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