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目的:了解兰州地区正常人群骨密度的变化特点,分析其变化规律,为预防和治疗骨质疏松症提供科学依据。方法:使用天津圣鸿公司SHY-Ⅰ数字式骨密度测定仪对兰州地区1907人进行检测,其中男1381例,女526例,分别做左前臂尺、桡骨测量。年龄20～85岁,每10岁为一年龄组进行统计分析。结果:男、女组骨密度峰值均在30～39岁,峰值后随年龄增加而骨密度下降,女性下降较男性显著。骨量减少及骨质疏松患病率在40岁后随年龄增长而增高,女性高于男性。老年人骨量减少及骨质疏松患病率高于中青年人,老年女性骨质疏松患病率与老年男性比较有明显差异(P<0.05)。结论:兰州地区健康人群骨密度随年龄变化,并与性别有关。骨密度的检测在骨质疏松症的早期预防和治疗中具有重要意义。
OBJECTIVE: To understand the changing characteristics of bone mineral density in normal population in Lanzhou area, analyze its changing rules and provide a scientific basis for the prevention and treatment of osteoporosis. Methods: 1907 people in Lanzhou area were detected by using SHY-Ⅰ digital bone mineral density meter from Tianjin Shenghong Company, including 1381 males and 526 females, and left ulna and radius were measured respectively. Age 20 ~ 85 years old, every 10 years for the age group for statistical analysis. Results: The peak values of BMD in men and women were all between 30 and 39 years old. After the peak, BMD decreased with the increase of age. The prevalence of osteopenia and osteoporosis increases with age at age 40 and is higher in women than in men. The prevalence of osteopenia and osteoporosis in the elderly is higher than that in middle-aged and young adults. The prevalence of osteoporosis in elderly women is significantly different from that of the elderly men (P <0.05). Conclusion: The BMD of healthy population in Lanzhou varies with age and is related to gender. Detection of bone mineral density in the early prevention and treatment of osteoporosis is of great significance.