基于体成分探索儿童体脂状况及适宜的肥胖界值点

doi:10.11852/zgetbjzz2024-1233

中国儿童保健杂志 ›› 2025, Vol. 33 ›› Issue (2): 160-165.DOI: 10.11852/zgetbjzz2024-1233

基于体成分探索儿童体脂状况及适宜的肥胖界值点

何璐¹, 赵焱², 龚金鑫¹, 赵璐¹, 张小林¹, 毛广惠¹, 马周瑞³, 师晓燕⁴, 蔡世忠¹, 严向明⁵

1.苏州大学附属儿童医院儿童保健科,江苏苏州 215021;
2.苏州大学第二附属医院儿科;
3.苏州大学附属儿童医院外科;
4.苏州大学附属儿童医院神经内科;
5.苏州大学附属儿童医院儿童泌尿外科

收稿日期:2024-10-18 修回日期:2024-11-29 发布日期:2025-02-12 出版日期:2025-02-10
通讯作者: 师晓燕,E-mail:shixiaoyanxiaoyan@163.com;蔡世忠,E-mail:szcai@suda.edu.cn;严向明,E-mail:yxmsz2003@163.com
作者简介:何璐(1999—),女,硕士研究生,主要研究方向为儿童保健。

Exploration of body fat status and appropriate obesity cut-offs in children based on body composition

HE Lu¹, ZHAO Yan², GONG Jinxin¹, ZHAO Lu¹, ZHANG Xiaolin¹, MAO Guanghui¹, MA Zhourui³, SHI Xiaoyan⁴, CAI Shizhong¹, YAN Xiangming⁵

1. Department of Child and Adolescent Healthcare, Children′s Hospital of Soochow University, Suzhou, Jiangsu 215025, China;
2. Department of Pediatrics, The Second Affiliated Hospital of Soochow University;
3. Department of Surgery, Children′s Hospital of Soochow University;
4. Department of Neurology, Children′s Hospital of Soochow University;
5. Department of Urology, Children′s Hospital of Soochow University

Received:2024-10-18 Revised:2024-11-29 Online:2025-02-10 Published:2025-02-12
Contact: SHI Xiaoyan, E-mail: shixiaoyanxiaoyan@163.com; CAI Shizhong, E-mail: szcai@suda.edu.cn; YAN Xiangming, E-mail: yxmsz2003@163.com

摘要/Abstract

摘要： 目的应用体成分探索儿童体脂状况以及利用脂肪质量指数(FMI)、体脂含量百分比(PBF)探索儿童肥胖的诊断切点。方法采用横断面研究,应用生物电阻抗技术测量2017年1月—2022年8月期间在苏州大学附属儿童医院儿童保健部门诊就诊的22 198名儿童体成分。记录参与者的体质量指数(BMI)、脂肪量(FM)、去脂体重(FFM)、FMI和PBF等指标。结果男、女童3~5岁的BMI、PBF和FMI呈下降趋势,5岁以后的BMI、PBF和FMI呈不断增长趋势,而男童的PBF和FMI在10岁以后呈下降或平缓趋势。ROC曲线分析显示,性别、年龄别FMI和PBF诊断肥胖的AUC均大于0.900,特异度和灵敏度基本>90%。结论 FMI和PBF作为临床预测肥胖指标的诊断价值较高。应用FMI或PBF可直观准确地反映儿童体脂含量和变化。

关键词: 肥胖, 体成分, 脂肪质量指数, 体脂含量百分比, 儿童

Abstract: Objective To explore the body fat status in children using body composition, and to explore the cut-off values of fat mass index (FMI) and body fat percentage (PBF) for the diagnosis of obesity in children. Methods A cross-sectional design was adopted. From January 2017 to August 2022, body composition of 22 198 children who visited the outpatient department of Child Health Care of Children′s Hospital of Soochow University was measured by bioelectrical impedance analysis. Body mass index (BMI), fat mass (FM), fat-free mass (FFM),FMI and PBF of children were recorded. Results BMI, PBF and FMI of boys and girls showed a downward trend from 3 to 5 years old, and showed an increasing trend after 5 years old, while PBF and FMI of boys showed a downward or flat trend after 10 years old. ROC curve analysis showed that the AUC of FMI and PBF of sex and age in the diagnosis of obesity was greater than 0.900, and the specificity and sensitivity were basically greater than 90%. Conclusions FMI and PBF have high diagnostic value as clinical indicators for predicting obesity. The application of FMI or PBF can intuitively and accurately reflect the content and changes of body fat in children.

Key words: obesity, body composition, fat mass index, percent body fat, children

中图分类号:

R723.14

何璐, 赵焱, 龚金鑫, 赵璐, 张小林, 毛广惠, 马周瑞, 师晓燕, 蔡世忠, 严向明. 基于体成分探索儿童体脂状况及适宜的肥胖界值点[J]. 中国儿童保健杂志, 2025, 33(2): 160-165.

HE Lu, ZHAO Yan, GONG Jinxin, ZHAO Lu, ZHANG Xiaolin, MAO Guanghui, MA Zhourui, SHI Xiaoyan, CAI Shizhong, YAN Xiangming. Exploration of body fat status and appropriate obesity cut-offs in children based on body composition[J]. Chinese Journal of Child Health Care, 2025, 33(2): 160-165.

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基于体成分探索儿童体脂状况及适宜的肥胖界值点

Exploration of body fat status and appropriate obesity cut-offs in children based on body composition

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