Bone Abstracts (2016) 5 P313 | DOI: 10.1530/boneabs.5.P313

Changes of trabecular bone score in Asian females: comparison of 1990s and 2010s

Young-Seong Kim1, Miwon Koh1, Han Seok Choi2, Jin Hwan Kim3 & Taeyong Lee1

1Dongguk University, Goyang-si, Gyeonggi-do, Republic of Korea; 2Dongguk University Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea; 3Inje University Ilsan PAIK Hospital, Goyang-si, Gyeonggi-do, Republic of Korea.

The purpose of this study is to understand the changes of TBS scores in Asian females by comparing 1990’s and 2010’s DXA images.

We have compared the DXA images of 3774 Korean females (age: 20–79) to Japanese (age: 20–79). While Korean DXA images were obtained in 2014 and 2015, Japanese data were obtained in 1996. Participants who have abnormal DXA images or lumbar disease were excluded. TBSiNsight® software (v. 2.1.1, Med-Imaps, Boedeaux, France) was used to calculate the TBS as well as to obtain BMD values from DXA images.

Korean showed higher values of height and weight than Japanese in all age groups. So, they showed similar BMI which are 22.2 kg/m2 for Koreans and 22.9 kg/m2 for Japanese. However, Korean showed higher TBS than Japanese in all age group. On average, TBS of Koreans are 0.281 higher than that of Japanese and the difference is bigger in the elderly.

There is a significant difference in the slope and breaking points of TBS values between Korean and Japanese. Japanese showed drastic reduction of TBS in 21.6 years but only 15.3 years in Korean data. Also, we have observed the higher TBS values in all age groups of Korean population which might be explained by the time-difference of data acquisition (1990’s vs 2010’s) as well as different nutrient.

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