Objective To define normal reference range of quantitive ultrasound (QUS) in normal people and probe into the diagnostic criterion and fracture threshold for osteoporotic patients by QUS.

• 目的确定太原地区健康人群胫骨定量超声骨量(QUS)的正常参考值范围，探讨用QUS诊断骨质疏松的诊断标准及骨折阈值的界限。