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- Title
Radiographic study of the proximal femur morphology of elderly patients with femoral neck fractures: is there a difference among ethnic groups?
- Authors
Zhi Hao Tang; Yeoh, Ching Sing Nicholas; Tan, Gek Meng Jeffrey; Tang, Zhi Hao
- Abstract
<bold>Introduction: </bold>This study aimed to determine ethnic differences in the proximal femur morphology of elderly patients with femoral neck fractures in Singapore.<bold>Methods: </bold>We reviewed the medical records of 101 men and 288 women aged 60-109 (mean 76.4) years who underwent hip hemiarthroplasty for femoral neck fractures between 1 June 2010 and 31 December 2015. Patients' age, gender and race were recorded. Plain anteroposterior radiography was used to measure the following: calcar width to canal width ratio of the ipsilateral femur; neck-shaft angle; hip offset; neck length; and neck width of the contralateral proximal femur.<bold>Results: </bold>Chinese women had slightly larger femoral heads (mean 43.88 mm) as compared to Malay (mean 42.92 mm, p = 0.044) and Indian (mean 42.34 mm, p = 0.025) women. Chinese women also had a significantly lower mean calcar-to-canal width ratio (0.606) as compared to Malay (0.664, p = 0.002) and Indian (0.693, p = 0.004) women. The mean neck-shaft angle of Chinese women was significantly greater than that of Indian women (137.48° vs. 127.00°, p = 0.001).<bold>Conclusion: </bold>We found statistically significant differences in the femoral head sizes and calcar-to-canal width ratios among women of different ethnic groups. There were also differences in neck-shaft angles between Chinese and Indian women, and between Malay and Indian women.
- Subjects
SINGAPORE; FEMUR head; MORPHOLOGY; ORTHOPEDIC surgery; RADIOGRAPHS; DISEASES; SURGERY; FEMUR surgery; HIP surgery; ETHNIC groups; FEMUR; FEMUR injuries; FEMUR neck; BONE fractures; HIP joint injuries; RADIOGRAPHY; ANATOMY
- Publication
Singapore Medical Journal, 2017, Vol 58, Issue 12, p717
- ISSN
0037-5675
- Publication type
journal article
- DOI
10.11622/smedj.2016148