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目的了解中老年人骨密度水平和骨质疏松症的患病率,为骨质疏松症的预防提供可靠依据。方法对年龄45岁以上女性和55岁以上男性健康人群进行问卷调查3125份,回收3058份,排除可能影响骨代谢的主要疾病后,随机抽取1220例进行腰椎和股骨近端骨密度检测。最终完成检查的共1123例。参考世界卫生组织的标准,分析不同性别、不同年龄人群腰椎和股骨近端骨密度值的差异。结果随着年龄的增加,骨密度值逐渐下降,与年龄呈负相关。腰椎骨密度值中,男性在74岁前下降平缓,75岁后明显下降;女性骨质疏松症患病率(28.7%)高于男性(16.0%)(P<0.05)。结论年龄和性别是骨质疏松的主要影响因素,骨质疏松症患病率与年龄呈正相关。女性骨质疏松症患病率高于男性。
Objective To understand the prevalence of bone mineral density (BMD) and osteoporosis in middle-aged and elderly people and provide a reliable basis for the prevention of osteoporosis. Methods A total of 3125 women aged above 45 years and 3055 healthy men over 55 years old were surveyed, 3058 were retrieved. After excluding the main diseases that may affect bone metabolism, 1220 cases were randomly selected for bone mineral density measurement of lumbar spine and proximal femur. The final inspection completed a total of 1123 cases. Reference to the WHO standards, analysis of different gender, age groups, the lumbar and proximal femur bone mineral density differences. Results With the increase of age, BMD decreased gradually and was negatively correlated with age. In lumbar BMD, men decreased gently before age 74 and decreased significantly after age 75. The prevalence of osteoporosis in women (28.7%) was higher than that in men (16.0%) (P <0.05). Conclusion Age and gender are the main influencing factors of osteoporosis. The prevalence of osteoporosis is positively correlated with age. The prevalence of osteoporosis in women is higher than that in men.