• Ömer Naci Ergin, Serkan Bayram, Fikret Berkan Anarat, Taha Furkan Yağcı, and Halil İbrahim Balcı.
• Department of Orthopedics and Traumatology, Faculty of Medicine, Istanbul University, Çapa Fatih, Istanbul, 34093, Turkey.
• Eur J Trauma Emerg Surg. 2020 Jun 1; 46 (3): 663-669.

ObjectiveThis study aimed to analyze the prognostic factors affecting the survival of patients over 90 years with intertrochanteric fractures treated with proximal femoral nailing.MaterialsRecords of 53 patients over 90 years old treated in our clinic between 2009 and 2018 for intertrochanteric fractures with proximal femoral nailing were retrospectively reviewed. Neutrophil/lymphocyte ratio (NLR) and platelet/lymphocyte ratio (PLR) were analyzed for validity as prognostic factors. Kaplan-Meier test was used to estimate overall survival. A multivariate Cox algorithm was used to determine independent factors associated with survival. The minimum follow-up duration was one year.ResultsThe average age at the time of surgery was 92.8 years. There were 39 women and 14 men. The right femur was involved in 29 (54.7%) patients and the left in 24 (45.3%) patients. At the time of this study, 32 (60.3%) patients were deceased. There were 21 (39.7%) surviving patients with a mean survival of 41.2 months (range 12-113). Survival rates at first month, 6 months and 1 year after surgery were 90.6%, 88.6% and 86.7%, respectively. The mean survival after surgery was 29.6 (2 days-95 months) months for deceased patients. Among all the parameters, ASA score and delay to surgery were independently associated with worse overall survival.ConclusionAn ASA score of 4 increased mortality by a factor of 26 and delay to surgery increased mortality by a factor of 1.3. Both were prognostic factors influencing overall survival.

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