• Haonan Liu, Ning Li, Xuejun Zhang, Liang He, Duoyi Li, Yuneng Li, Gang Zhao, and Xinbao Wu.
• Department of Orthopedics, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China, 100045.
• Injury. 2020 Jun 1; 51 (6): 1346-1351.

BackgroundThere is little information on the cost and outcome of different treatments for femoral neck fractures. This study aimed to evaluate the cost-effectiveness of internal fixation compared with hemiarthroplasty (HA) for elderly patients with displaced femoral neck fractures.Materials And MethodsA total of 121 patients ≥ 65 years old were divided into internal fixation (n = 58) or HA group (n = 63). Clinical outcome was evaluated by the EuroQol 5 dimensions (EQ-5D) score at 3, 12, and 24 months. The total costs including medical and non-medical expense were collected through hospitalisation information, cost diaries, and telephone interviews. A cost-utility analysis of the total costs in combination with quality-adjusted life years (QALYs) calculated by EQ-5D and survival time was conducted. Results were expressed in incremental cost-effectiveness ratio (ICER).ResultsThe mean EQ-5D index score in the HA group were higher at the early follow-up (p<0.05). At 24 months there were no differences in EQ-5D between the 2 treatment groups (p>0.05). Over the 2-year period, patients treated with HA gained 0.09-0.10 more QALYs than those treated with internal fixation, while the mean total costs for internal fixation (CNY 55,676) were significantly lower than for HA (CNY 80,297) (P<0.001). ICER indicated that internal fixation may be more cost-effective than HA.ConclusionHA is associated with better outcome than internal fixation in the treatment of displaced femoral neck fractures in elderly patients. However, internal fixation may be more cost-effective because of less total cost.Copyright © 2020. Published by Elsevier Ltd.

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