| 乔雨嘉,李夏,吴曼,余灿清,郭彧,卞铮,谭云龙,裴培,陈君石,陈铮鸣,吕筠,李立明.中国10个地区成年人跟骨骨密度的描述性分析[J].中华流行病学杂志,2018,39(4):422-427 |
| 中国10个地区成年人跟骨骨密度的描述性分析 |
| Levels of calcaneus bone mineral density in adults from 10 regions of China |
| 收稿日期:2017-10-17 出版日期:2018-04-18 |
| DOI：10.3760/cma.j.issn.0254-6450.2018.04.007 |
| 中文关键词: 跟骨骨密度 定量超声 地区和人群差异 |
| 英文关键词: Calcaneus bone mineral density Quantitative ultrasound system Regional and population difference |
| 基金项目:国家自然科学基金（81390540，81390544，81390541）；国家重点研发计划精准医学研究重点专项（2016YFC0900500，2016YFC0900501，2016YFC0900504）；中国香港Kadoorie Charitable基金；英国Wellcome Trust（202922/Z/16/Z，088158/Z/09/Z，104085/Z/14/Z） |
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| 中文摘要: |
| 目的 描述中国慢性病前瞻性研究（CKB）10个地区人群跟骨骨密度的地区和人群分布差异。方法 在参与第二次重复调查的研究对象中，剔除重要指标缺失者后，分析10个地区38~87岁24 677人经定量超声骨密度仪测定的跟骨骨密度的地区和人群差异。结果 研究人群中，跟骨骨密度指标平均水平：宽带超声衰减（109.7±12.6）dB/MHz，超声声速（1 554.7±45.6）m/s，强度指数（88.3±18.8），T值（-0.74±1.28）。城市人群跟骨骨密度高于农村；男性高于女性。跟骨骨密度随着年龄增加而降低，女性随年龄降低的幅度比男性更为明显。吸烟者、绝经后妇女的跟骨骨密度更低；常饮牛奶和/或酸奶者、高体力活动水平者的跟骨骨密度更高。结论 CKB的10个项目地区人群的跟骨骨密度存在明显的地区和人群差异。 |
| 英文摘要: |
| Objective To describe the regional and population-related differences in calcaneus bone mineral density (BMD) across ten regions of China. Methods Based on the results from the second Re-survey of China Kadoorie Biobank project, in which 5% of the surviving participants were interviewed during 2013-2014 and 24 677 participants aged 38-87 years were included in the study. We excluded those people with missing data for BMD and important variables. Calcaneus BMD was measured using the quantitative ultrasound bone densitometer. We analyzed four indexes, including broadband ultrasound attenuation (BUA), speed of sound (SOS), stiffness index (SI), and T score. Results The average calcaneus BMDs of the present population were:BUA (109.7±12.6) dB/MHz, SOS (1 554.7±45.6) m/s, SI (88.3±18.8), T score (-0.74±1.28). Urban residents showed higher calcaneus BMD, so as in men. The calcaneus BMD decreased by age, with a larger decline seen in women. Current smokers and postmenopausal women presented lower calcaneus BMD, while in those who frequently drank milk or yogurt or being physically more active, had higher calcaneus BMD. Conclusion Calcaneus BMD varied greatly among people from the ten regions of CKB study and among participants having different demographic characteristics, lifestyle behaviors or health conditions. |
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