Defining low vs. high is complicated, Sueoka says, as there is controversy about the measurements.
低与高的定义是复杂的，Sueoka说，因为关于测量有争议。
Sueoka and her colleagues focused on 697 men, average age 72, who were seen at six different U. S. centers from 2000 to 2005 while participating in a study to evaluate fracture risk in older men.
Sueoka和她的同事集中关注平均年龄72岁的697名男性，这些男性在美国6个不同的研究中心于2000年至2005年期间参与了一个评估老年男性骨折风险的研究。
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