[Accuracy of body fat and waist circumference in predicting metabolic abnormalities indicating cardiovascular risk in adolescents].

Arquivos brasileiros de endocrinologia e metabologia Pub Date : 2014-06-01 DOI:10.1590/0004-2730000002865

Milena Miranda de Moraes, Gloria Valeria da Veiga

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引用次数: 9

Abstract

Objective: To evaluate the performance of percent body fat (%BF) and waist circumference (WC) in predicting metabolic abnormalities indicating cardiovascular risk in adolescents.

Subjects and methods: Cross-sectional study with a probabilistic sample of 573 adolescents aged 12 to 19 years from state public schools in Niterói, RJ. The Receiver Operating Characteristic Curve was used to evaluate the accuracy of WC and %BF in predicting alterations in blood pressure, lipid profile, and blood glucose.

Results: The best %BF cutoff points were 21% for boys, and 23% for girls, with sensitivity (SE) and specificity (SP) of approximately 60%. The best WC cutoff points were 71 cm for boys, and 66 cm for girls (SE: 55% to 70%; SP: 55% to 78%).

Conclusion: Even the best cutoff points misidentified high proportions of adolescents with metabolic abnormalities. Caution is recommended in the use of these indicators for cardiovascular risk screening in this age group.

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[体脂和腰围在预测青少年心血管风险代谢异常中的准确性]。

目的:评价体脂率(%BF)和腰围(WC)在预测青少年心血管危险代谢异常中的作用。对象和方法:横断面研究与概率抽样573名12至19岁的青少年在Niterói, RJ公立学校。采用受试者工作特征曲线(Receiver Operating Characteristic Curve)评价WC和%BF预测血压、血脂和血糖变化的准确性。结果:最佳BF分界点为男孩21%，女孩23%，敏感性(SE)和特异性(SP)约为60%。最佳WC分界点为男生71 cm，女生66 cm (SE: 55% ~ 70%;标普:55%至78%)。结论:即使是最好的分界点也误判了高比例的青少年代谢异常。建议谨慎使用这些指标在这一年龄组进行心血管风险筛查。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Arquivos brasileiros de endocrinologia e metabologia 医学-内分泌学与代谢

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审稿时长

4-8 weeks