Serum uric acid is associated with lumbar spine bone mineral density in healthy Chinese males older than 50 years
Authors Xiao J, Chen WJ, Feng XH, Liu WY, Zhang ZX, He L, Ye ZB
Received 20 December 2016
Accepted for publication 19 January 2017
Published 28 February 2017 Volume 2017:12 Pages 445—452
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 2
Editor who approved publication: Dr Zhi-Ying Wu
Jing Xiao, Weijun Chen, Xinhui Feng, Wenyi Liu, Zhenxing Zhang, Li He, Zhibin Ye
Department of Nephrology, Huadong Hospital Affiliated to Fudan University, Shanghai, People’s Republic of China
Objectives: We aimed to investigate the association of serum uric acid (UA) levels with bone mineral density (BMD) at all skeletal sites in healthy Chinese males >50 years of age.
Methods: A cross-sectional study of 385 Chinese males >50 years of age who underwent health checkup in Huadong Hospital Affiliated to Fudan University in Shanghai, China, was conducted. Clinical and bone characteristics were compared in different UA tertiles (UA1: UA <4.7 mg/dL, UA2: 4.7 mg/dL ≤ UA <6 mg/dL and UA3: UA ≥6 mg/dL). Pearson correlation and multiple regression analysis were used to study the correlation of UA with BMD at various skeletal sites.
Results: Serum UA levels were positively associated with higher BMD and T-values at the lumbar spine, but not at other skeletal sites, after adjusting for multiple confounding factors. Lumbar spine BMD; the T- and Z-values at the lumbar spine, total hip and femoral neck; as well as intact parathyroid hormone (iPTH) levels are higher in the highest tertile of UA than in the second tertile of UA.
Conclusion: Our results provide epidemiological evidence in Chinese Han males aged >50 years that serum UA levels are positively correlated with lumbar spine BMD and T-values, suggesting that UA may exert protective effect on bone density at the lumbar spine in Chinese males >50 years of age.
Keywords: T-value, Z-value, parathyroid hormone, bone turnover marker
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