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目的:评估中国成年人腰围身高比值与代谢综合征(MS)的相关性并探讨其对MS以及各项亚指标的筛选切点。方法:选择河北医科大学第二医院的体检中心2006年体检者共4457名,男性2733名,女性1724名。通过计算ROC曲线下面积评估腰围身高比值预测MS以及各项亚指标的敏感性和特异性及其筛选切点,并通过Logistic回归分析矫正年龄因素影响后分析腰围身高比值预测MS发病的风险值。结果:腰围身高比值与MS以及各亚指标关系密切,以腰围身高比值筛查MS以及各项亚指标均有一个有意义的ROC曲线下面积>0.5,预测MS发生危险增加的筛选切点界值男女分别为0.5223,0.5032。高于此切点年龄矫正MS的发病风险男女分别增加32.76和20.75倍。结论:在中国成年人腰围身高比值是预测MS的重要指标,男女腰围身高比值0.5223,0.5032的各自切点是MS的警戒线,高于此切点预示着MS的风险明显增加。
OBJECTIVE: To evaluate the correlation between waist height ratio and metabolic syndrome (MS) in Chinese adults and to explore the screening points for MS and its sub-indices. Methods: The physical examination center of the Second Hospital of Hebei Medical University was selected in 2004, a total of 4457 physical examination, 2733 males and 1724 females. The area under the ROC curve was used to assess the sensitivity and specificity of the MS and sub-index, and the cut-off points were screened by the area under the ROC curve. Logistic regression analysis was used to analyze the effect of age on waist-height ratio to predict the risk of MS. Results: The waist height ratio was closely related to MS and each sub-index. There was a significant area under the ROC curve> 0.5 for screening MS with waist-height ratio and each sub- Men and women were 0.5223,0.5032. Above this cut point, the age-adjusted incidence of MS was increased by 32.76 and 20.75 times, respectively. CONCLUSIONS: The height to waist ratio of adults in China is an important index for predicting MS. The respective cutoff points of male to female waist circumference ratio of 0.5223 and 0.5032 are the warning signs of MS. Above this cut point, the MS risk is significantly increased.