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Surgical Research and New Technique ›› 2021, Vol. 10 ›› Issue (1): 9-13.doi: 10.3969/j.issn.2095-378X.2021.01.003

• Original article • Previous Articles     Next Articles

Value of FRAX model in assessing fracture risk of Chinese elderly adults with type 2 diabetes

XIE Zhuangli, YANG Jun, XUAN Miao, JI Peifang, LI Ying   

  1. Department of Endocrinology and Metabolism, Tongji Hospital Affiliated to Tongji University, Shanghai 200065, China
  • Received:2020-09-11 Published:2021-05-18

Abstract: Objective To assess the fracture risk of elderly patients with and without type 2 diabetes mellitus (T2DM) by FRAX model, and to ascertain the validity of this model in assessing the fracture risk of elderly patients with T2DM in the mainland of China. Methods A total of 267 T2DM and 359 non-diabetic (control) patients were randomly selected, completed a questionnaire survey, underwent bone mineral density measurement, and were assessed by FRAX model. Binary regression analysis was used to evaluate the risk factors for high-risk fracture predicted by FRAX model. Results The body mass index (BMI), waist-hip ratio, and the proportions of smoking and drinking were all higher in the T2DM group than those in the control group (P<0.001). The bone mineral content, T value, and Z value of femoral neck (FN) and lumbar vertebra (L) in the T2DM group were also high. The T2DM group showed lower risks of 10-year major osteoporotic fracture (MOF) and hip fracture (HF) by FRAX-BMI model than the control group [(4.27±2.84)% vs. (5.14±2.92)%, P<0.001, and (1.42±1.54)% vs. (1.83±2.23)%, P<0.001]. The T2DM group also showed a lower risk of MOF by FRAX-BMD model than the control group [(5.28±4.41)% vs. (6.30±5.10)%, P<0.001]. Regression analysis results showed that the T score of FN, smoking, family history of hip fracture, and glucocorticoid use were associated with high-risk HF. The T score of FN, smoking, family history of HF, and history of brittle fracture were associated with high-risk MOF. T2DM was not associated with high-risk fracture predicted by the FRAX model. Conclusion The FRAX model predicts a lower 10-year fracture risk in elderly Chinese patients with T2DM than in non-diabetic patients, indicating that the model is not well suited for the Chinese population.

Key words: Type 2 diabetes mellitus, Fracture risk, Bone mineral density, Fracture risk assessment tool

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