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目的了解本市社区老年人群体重指数(BMI)与骨质疏松症(OP)发病的关系,为本地区OP的防治提供参考。方法使用美国Norland公司生产的XR-600双能X线骨密度仪对180例老年人正位腰椎和左股骨近端进行骨密度测定,并对各个因素与骨密度之间的相关性进行分析。结果 Spearman相关分析结果显示,年龄、绝经年龄、吸烟与骨密度呈负相关,BMI、服用钙剂、服用维生素D与骨密度呈正相关,且年龄、BMI差异最为显著;180例受试者中,体质量过低、正常、超重三者OP发生比率比较,差异有统计学意义(χ2=11.297,P<0.01)。结论本地区老年人群OP发病率与目前BMI呈负相关,老年人要合理适当地饮食,保持正常体质量,有效地减少发生骨质疏松的危险因素。
Objective To understand the relationship between body mass index (BMI) and the incidence of osteoporosis (OP) in the community in our city and to provide reference for the prevention and treatment of OP in this area. Methods The bone mineral density (BMD) of lumbar and proximal femur of 180 elderly people were measured by XR-600 dual-energy X-ray absorptiometry developed by American Norland Company. The correlation between each factor and bone mineral density was analyzed. Results Spearman correlation analysis showed that age, menopause age, smoking and bone mineral density were negatively correlated. BMI, taking calcium and taking vitamin D were positively correlated with bone mineral density, with the most significant difference in age and BMI. Of the 180 subjects, Body weight is too low, normal, overweight ratio of three OP occurred, the difference was statistically significant (χ2 = 11.297, P <0.01). Conclusion The prevalence of OP in elderly population in this area is negatively correlated with the current BMI. The elderly should be properly and properly diet, maintain normal body weight, and effectively reduce the risk factors for osteoporosis.