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世界卫生组织的BMI系统错误地分类了意大利北部普通人口中的成年人体重状况:基于DXA的评估研究 (18-98岁)
Chiara Milanese1, Leila Itani2, Valentina Cavedon1
1Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37129 Verona, Italy.
Nutrients
|July 12, 2025
概括
身体质量指数 (BMI) 错误地分类了意大利超过三分之一的成年人. 医疗保健提供者应与BMI一起使用体脂百分比 (BF%) 来准确评估体重状况.
科学领域:
- 肥胖问题研究研究
- 公共卫生 公共卫生
- 营养科学 营养科学
背景情况:
- 身体质量指数 (BMI) 是体重分类的标准工具,但它的准确性受到争议.
- 世界卫生组织 (WHO) 为体重类别提供了确定的BMI切断点.
- 人们对BMI的可靠性存在担忧,因为它反映了真正的脂肪.
研究的目的:
- 评估世卫组织BMI分类在表示真实肥胖的准确性.
- 为了评估BMI在意大利一般成年人群中的有效性.
- 将基于BMI的分类与身体脂肪百分比 (BF%) 作为黄金标准进行比较.
主要方法:
- 对1351名意大利成年人 (18-98岁) 的横截面研究.
- 体重状况最初使用世卫组织BMI标准进行分类.
- 通过使用双能X射线吸收计 (DXA) 测量的体脂百分比 (BF%) 来评估肥胖.
- 使用卡帕统计 (κ) 分析的BMI和BF%分类之间的一致性.
主要成果:
- 78.1%的正常体重个体被BMI准确地分类.
- 显著的错误分类率:53.4%的超重个体和68.4%的体重不足个体根据BF%被重新分类.
- 根据BMI分类为肥胖的34%的个人根据BF%被发现超重.
结论:
- 世卫组织的BMI分类对超过三分之一的意大利人口来说是不可靠的,可能会增加体重不足,超重和肥胖的患病率.
- 当前的BMI分类可能没有准确地反映真正的脂肪.
- 建议考虑修订国家指南,并将BF%或腰部测量措施纳入常规健康评估.
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