北京地区中老年体检人群骨密度调查分析

Analysis of BMD measurement results of 4672 residents in Beijing

目的对4672例北京市中老年接受体检人员骨密度进行测量,分析骨质疏松发生的人群规律。方法采用美国Osteometer Medi Tech公司生产的DTX-2200型骨密度仪,检测受试者非受力侧前臂尺桡骨中远端三分之一处骨密度。将4672例检测结果按不同性别每10岁分为1个年龄组,统计分析骨密度均值、T评分及骨质疏松患病率。结果 4672例中,40～49岁、50～59岁、60～69岁、70～79岁、≥80岁骨质疏松患病率男性分别为1.86%、5.45%、17.54%、36.31%、60.00%,女性分别为3.65%、9.74%、33.92%、60.92%、71.15%。不同年龄组及同年龄组两性间比较骨密度测定值、T值差异显著(P<0.05),50岁以后各年龄段女性骨质疏松患病率明显高于男性(P<0.05)。结论北京市居民随着年龄的增长,骨密度呈下降趋势,女性更年期后骨密度下降显著,早期积极预防骨质疏松具有重要意义。

Objective Bone mineral density were measured in 4672 elderly cases in Beijing city. Methods The BMD of the distal one-third of Radius and ulna of non-dominant arm were determined by DTX-2200 detector produced. All cases were divided into different groups by 10 years age strata. Mean BMD,T-score and bone loss percent were analyzed. Results The study also showed that the incidence of OP was 1.86% in male,3.65% in female,5.45% in male,and 9.74% in female in the age groups of 50～59,17.54% in male,39.92% in female in 60～69,36.31% in male,60.92% in female in 70～79,and 60.00% in male,71.15% in female above 80. Conclusions It is notable that BMD decreases with age. Bone mineral density decreased significantly in women after menopause. It is very important to prevent osteoporosis as early as possible.