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Osteoporos Sarcopenia. 2017 Jun;3(2):98-103. doi: 10.1016/j.afos.2017.02.001. Epub 2017 Mar 14.

The correlation between bone mineral density/trabecular bone score and body mass index, height, and weight.

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Department of Mechanical Engineering, Dongguk University, Seoul, South Korea.
Department of Medical Biotechnology, Dongguk University, Seoul, South Korea.
Division of Mechanical and Biomedical Engineering, College of Engineering, Ewha Womans University, Seoul, South Korea.
Division of Endocrinology and Metabolism, Department of Internal Medicine, Dongguk University Ilsan Hospital, Koyang, South Korea.
Department of Orthopaedics, Inje University Ilsan Paik Hospital, Goyang, South Korea.



This study investigated the correlation between bone mineral density (BMD)/trabecular bone score (TBS) and body mass index (BMI), height and weight in Korean adults.


We enrolled 2555 female participants in their 20s-80s and 1631 male participants in their 20s-70s. Participants with history of previous vertebral surgeries or current vertebral diseases were excluded. Female and male participants were divided into osteoporosis group (n = 136 and n = 31, respectively), osteopenia group (n = 822 and n = 460, respectively), and normal group (n = 1596 and n = 1140, respectively) based on their BMD T-score. Dual-energy X-ray absorptiometry image analysis and linear regression analysis were conducted on each participant in each group to determine the P-value and the correlation between BMD T-score/TBS T-score and BMI, weight, and height.


We found a significant correlation between BMI and TBS in both male and female participants. In the male participants, the correlation coefficient increased progressively from the normal group to the osteoporosis group. In the female group, we observed a significant positive correlation between height and TBS, and in the male group a significant negative correlation between weight and TBS was observed.


BMI and weight are closely correlated to body fat content. BMD was positively correlated to BMI and weight, while TBS was negatively correlated to BMI and weight. Therefore, although BMI causes an increase in BMD, it appears to be negatively affecting bone quality.


Body fat contents; Body mass index; Bone mineral density; Korea; Osteoporosis; Trabecular bone score

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