Kim Jae Hoon, Chon Jinmann, Soh Yunsoo, Han Young Rok, Won Chang Won, Lee Seung Ah
Department of Physical Medicine and Rehabilitation, Kyung Hee University Hospital at Gangdong.
Department of Physical Medicine and Rehabilitation ,Kyung Hee University Medical Center.
Medicine (Baltimore). 2020 Feb;99(9):e19245. doi: 10.1097/MD.0000000000019245.
This study aimed to investigate whether trunk fat mass measured using dual-energy X-ray absorptiometry (DEXA) correlates with balance and physical performance.This study utilized 2-year baseline data pertaining to 3014 participants from the database of the Korean frailty and aging cohort study. The trunk lean mass and fat mass were measured by DEXA. Trunk fat mass index (tFMI) was established using the following standard equation: Trunk fat mass (Kg)/height (m). The clinical balance tests were performed using the timed up and go test (TUG), total balance score in short physical performance battery (SPPB). We performed SPPB and evaluated independence of daily living using activities of daily living, instrumental activities of daily living (IADL), sarcopenia screening tool (SARC-F) and both hand grip power. In our study, we tried to check the correlation of tFMI with balance and physical performance and to determine the factors associated with tFMI.The tFMI was positively correlated with mean values of 4 m gait speed, repeat chair stand time in SPPB, TUG, and SARC-F and negatively correlated with hand grip, IADL, total balance test score in SPPB, total SPPB score, and age. The results of the multiple generalized linear model analysis that assessed the factors associated with balance and physical performance indicated that tFMI had a significant correlation with repeat chair stand time in SPPB (seconds) (Beta estimate [B]: 0.252), TUG (seconds) (B: 0.25), 4 m gait speed (seconds) (B: 0.055), and total balance score in SPPB (B: -0.035).Higher tFMI using DEXA was correlated with low physical performance and balance, indicating that trunk fat mass was associated with balance and physical performance in community-dwelling older people.
本研究旨在调查使用双能X线吸收法（DEXA）测量的躯干脂肪量是否与平衡能力和身体机能相关。本研究利用了韩国衰弱与老龄化队列研究数据库中3014名参与者的2年基线数据。通过DEXA测量躯干瘦体重和脂肪量。躯干脂肪量指数（tFMI）使用以下标准公式计算：躯干脂肪量（千克）/身高（米）。临床平衡测试采用定时起立行走测试（TUG）、简短体能状况量表（SPPB）中的总平衡得分。我们进行了SPPB测试，并使用日常生活活动能力、工具性日常生活活动能力（IADL）、肌肉减少症筛查工具（SARC-F）和双手握力评估日常生活独立性。在我们的研究中，我们试图检验tFMI与平衡能力和身体机能之间的相关性，并确定与tFMI相关的因素。tFMI与4米步速的平均值、SPPB中的重复椅子站立时间、TUG以及SARC-F呈正相关，与握力、IADL、SPPB中的总平衡测试得分、SPPB总分以及年龄呈负相关。评估与平衡能力和身体机能相关因素的多元广义线性模型分析结果表明，tFMI与SPPB中的重复椅子站立时间（秒）（β估计值[B]：0.252）、TUG（秒）（B：0.25）、4米步速（秒）（B：0.055）以及SPPB中的总平衡得分（B：-0.035）具有显著相关性。使用DEXA测得的较高tFMI与身体机能低下和平衡能力差相关，表明躯干脂肪量与社区居住老年人的平衡能力和身体机能有关。
