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Prevalence and determinants of abnormal bone metabolism among Han Chinese diabetes patients: A cross-sectional study


Jianxiang Zhu
Zengbing Xia
Jikang Min
Wenlin Hu
Heng Li
Chao Mei

Abstract

Purpose: To determine the prevalence and determinants of abnormal bone metabolism among Han Chinese diabetes patients.


Methods: Epidemiological characteristics, anthropometry, densitometry, clinical parameters, and pathological examinations of 335 Han  Chinese type 1 and type 2 diabetes patients were analyzed in relation to bone densitometry.


Results: A total of 86 patients (25 %) were normal (T-score or Z-score of -1 or higher), while 259 patients (75 %) had abnormal bone  metabolism (T-score or Z-score less than -1). Among the 259 patients with abnormal bone metabolism, 15 (4 %) had fracture-liable  fragility (T-score or Z-score below -3), 112 (32 %) had osteoporosis (T-score or Z-score below -2.5), while 132 (39 %) had osteopenia (Tscore  or Z-score between -1 to -2.5). Age > 50 years (p = 0.0411), female sex (p = 0.0391), low body mass index (p = 0.0331), long  duration of diabetes (p = 0.0291), low waist-to-hip ratio (p = 0.0336), treatment with metformin or Chinese traditional medicine or insulin  (p = 0.0395), abnormal levels of pathological parameters (p = 0.0397), and HbA1c ≥ 7 (p = 0.0123) were independent risk factors for abnormal bone metabolism.


Conclusion: Han Chinese individuals have a risk of abnormal bone metabolism in the diabetic state. Older  people, women, patients who took metformin or Chinese traditional medicine or insulin treatment, individuals with abnormal  pathological parameters, and those with HbA1c ≥ 7, had reduced bone mineral density. Body mass index and waist-to-hip ratio were  protective against abnormal bone metabolism. 


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eISSN: 1596-9827
print ISSN: 1596-5996