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对４０８例青岛地区正常人尺、桡骨骨密度进行了测定。结果表明，骨密度与年龄、性别、身高关系密切。男性在３５岁以前、女性在２５岁以前，随年龄增长，骨密度逐渐增加，各年龄组之间差异有极显著性（Ｐ＜０．０１）；男女两性均于５５岁以后骨密度下降，各年龄组间比较差异有显著性（Ｐ＜０．０５），其中女性下降明显，每１０年骨密度递减率明显高于男性；男性在３６～５５岁，女性在２６～５５岁之间骨密度变化不大。身材高者骨密度较高，身材矮者较低。
408 cases of Qingdao normal feet, radius bone mineral density were measured. The results show that bone mineral density and age, gender, height are closely related. Before the age of 35, the female had the bone mineral density increasing gradually with the increase of age before 25 years old. There was a significant difference between all age groups (P <0.01). The BMD of both sexes decreased after 55 years old, There were significant differences among all age groups (P <0.05), among them, women decreased significantly, and the rate of decrease of bone mineral density was significantly higher than that of men every 10 years; male was 36-55 years old and female was 26-55 years old Little change in density. The taller people have higher bone density and lower stature.