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目的:调查西宁地区体检者骨密度值及骨质疏松患病率,分析其变化规律。为骨质疏松防治提供依据。方法:采用双能X线骨密度仪,分别测试1 244例不同年龄、不同性别受试者的L1～4骨密度(BMD)值。结果:男女性骨密度峰值均出现于30岁年龄组,男性不同年龄组间无显著差异。女性在40岁后骨密度值随年龄增加而降低,60岁以上2个年龄组与(20～50)岁4个年龄组和同年龄组男性比较有明显性差异。男女性骨质疏松症随年龄增加患病率呈上升趋势,尤其是女性增加十分显著。50岁以上3个年龄组的女性骨质疏松症患病率显著高于同年龄组男性。结论:骨密度随年龄增长而下降,骨质疏松症患病率也随之增加,女性患病率明显高于男性。
OBJECTIVE: To investigate the bone mineral density (BMD) and the prevalence of osteoporosis among the physical examiners in Xining area and to analyze the changes. Provide the basis for the prevention and treatment of osteoporosis. Methods: The bone mineral density (BMD) of L1 ~ 4 in 1 244 different age and gender subjects were tested by dual energy X-ray absorptiometry. Results: The peak values of BMD of both men and women appeared in the age group of 30 years. There was no significant difference between male and female in different age groups. Bone mineral density decreased with age in women after 40 years of age. There were significant differences between the two age groups over 60 years old and the four age groups (20-50 years old) and men of the same age group. Prevalence of osteoporosis in men and women increases with age, especially in women. The prevalence of osteoporosis in women over the age of 50 in three age groups was significantly higher than that in men of the same age group. Conclusion: The BMD decreased with age, the prevalence of osteoporosis also increased, the prevalence of women was significantly higher than that of men.