The potential incidence of fractures has been predicted to increase worldwide because of the aging population. Many clinical factors affect fracture risk, such as sex, age, menopausal status, and low body mass index (BMI). An investigation is needed on the impact of the two basic components of body weight, fat mass (FM) and lean mass (LM), on BMD at young adult group. The purpose of this study was to investigate the correlation of body composition (FM, LM), BMI, and BMD in young people (male and female) in Saudi Arabia's eastern area. 250 participants including 100 females and 150 males (age between 18 and 22 years old), had a BMD scan via DEXA (Discovery DXA system). Variables of body composition, such as LM, FM, total fat percentage, and trunk LM, were measured using DEXA. For male and female groups, weight was significantly correlated with all other listed variables except age and fat percentage. The correlations of weight with the other variables were mostly strong (r > 0.5). A high prevalence (percentage) of osteopenia and osteoporosis was observed for both males (57%) and females (41%), respectively. Also, in both groups, there was a significant correlation between BMI, BMD and visceral fat.

中文翻译：

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年轻人体重指数、身体成分和骨密度之间的关联：来自沙特队列的研究结果

由于人口老龄化，预计全世界骨折的潜在发生率将会增加。许多临床因素会影响骨折风险，例如性别、年龄、更年期状况和低体重指数 (BMI)。需要调查体重的两个基本组成部分——脂肪量（FM）和瘦体重（LM）对年轻人组骨密度的影响。本研究的目的是调查沙特阿拉伯东部地区年轻人（男性和女性）的身体成分（FM、LM）、BMI 和 BMD 的相关性。 250 名参与者，包括 100 名女性和 150 名男性（年龄在 18 至 22 岁之间），通过 DEXA（Discovery DXA 系统）进行了 BMD 扫描。使用 DEXA 测量身体成分的变量，例如 LM、FM、总脂肪百分比和躯干 LM。对于男性和女性群体，体重与除年龄和脂肪百分比之外的所有其他列出的变量显着相关。体重与其他变量的相关性大多很强（r > 0.5）。男性（57%）和女性（41%）的骨质减少和骨质疏松症患病率（百分比）分别很高。此外，在两组中，BMI、BMD 和内脏脂肪之间存在显着相关性。