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目的比较丹东地区汉族、满族、朝鲜族不同民族人群骨密度(bone mineral density,BMD)情况,了解骨质疏松症(osteoporosis,OP)患病率及相关危险因素。方法采用美国Osteometer Medi Tech公司生产的DTX-200型双能X线骨密度仪进行周围骨密度测量,于2010年8月～12月对2203例满、汉、朝鲜族健康人群检测非受力侧前臂尺桡骨远端骨密度,每10岁一组,对结果进行统计分析,同时填写骨质疏松相关危险因素调查表。结果丹东地区满、汉、朝鲜族三民族骨峰值分别为0.563±0.076(g/cm2)、0.573±0.085(g/cm2)、0.518±0.100(g/cm2),其骨峰值分别出现在40～49岁、30～39岁、30～39岁三个年龄段。BMD达到峰值后随着年龄增加逐渐下降,到80岁以上组BMD最低。40岁以上汉族、满族、朝鲜族骨质疏松症患病率无差异(P>0.05),分别为11.9%,10.7%,9.8%。满族OP发生与年龄正相关(P<0.05);汉族OP发生与性别正相关,女性OP发生率高(P<0.05);朝鲜族OP发生与年龄、长期素食正相关(P<0.05)。结论通过对丹东地区不同民族骨密度调查,有助于建立丹东地区满、汉、朝鲜族三个民族骨质疏松症的诊断标准,提供骨质疏松症及其并发症的防治依据。
Objective To compare the bone mineral density (BMD) of Han, Manchu and Korean nationalities in Dandong, and to understand the prevalence and related risk factors of osteoporosis (OP). Methods Peripheral bone mineral density (BMD) was measured by dual-energy X-ray absorptiometry (DTX-200) manufactured by Osteometer Medi Tech in the United States. From August to December 2010, 2203 healthy people from Manchu, Han and Korean were tested for non-stressed Forearm ulnar radius distal bone density, every 10 years of age, the results of a statistical analysis, at the same time fill in the osteoporosis-related risk factors questionnaire. Results The peak values of bones of Manchu, Han and Korean nationalities in Dandong were 0.563 ± 0.076 g / cm 2, 0.573 ± 0.085 g / cm 2 and 0.518 ± 0.100 g / cm 2, respectively, 49 years old, 30 to 39 years old, 30 to 39 years of age three age groups. After BMD peaked, it gradually decreased with age, reaching the lowest in 80-year-old group. The prevalence rates of osteoporosis of Han, Manchu and Korean people over the age of 40 were no difference (P> 0.05), which were 11.9%, 10.7% and 9.8% respectively. There was a positive correlation between Manchu OP occurrence and age (P <0.05). Han Chinese OP occurrence was positively correlated with sex, female OP was higher (P <0.05). Korean OP was positively correlated with age and long-term vegetarianism (P <0.05). Conclusion The investigation of bone mineral density in different ethnic groups in Dandong helps to establish the diagnostic criteria for osteoporosis among the three ethnic groups in Manchu, Han and Korean in Dandong, and provides the basis for prevention and treatment of osteoporosis and its complications.