Evaluation of bone mineral density by quantitative ultrasound of bone in 16 862 subjects during routine health examination
J-D Lin, MD,
J-F Chen, MD,
H-Y Chang, MD and
C Ho, MD
Division of Endocrinology and Metabolism, Department of Internal Medicine, Chang Gung Memorial Hospital, Chang Gung University, 5 Fu-Shin St., Kweishan County, Taoyuan Hsien, Taiwan, Republic of China

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Figure 1. Age and gender distribution of 16 862 subjects who received bone density evaluation using quantitative ultrasound of bone.
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Figure 2. Percentage of normal and abnormal bone density measurements according to age.
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Figure 3. Percentage of normal, osteopenia and osteoporosis findings according to age in (a) female and (b) male subjects.
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Copyright © 2001 by the British Institute of Radiology.