Objective To study the relationship between blood lipids,insulin resistance and obesity indexes among the simple of obesity children.Methods Lipids,fasting glucose and insulin were measured and physical ex-amination was did for all cases of two groups.The body mass index ( BMI) and insulin resistance index ( HOMA-IR=fasting insulin ×fasting glucose/22.5) were calculated by formula.Results The weight,BMI,waist,waist-to-hip ra-tio, TCH, TG, LDL-C, SBP, DBP, ET and FINS of cases in simple obesity group were higher than those in control group,the differences were statistical significance (P<0.05).The level of TG,ET and IR had a close correlation with waist.Conclusions The waist is worth more than BMI in health risk prediction of simple obesity children.%目的研究单纯性肥胖儿童血脂及胰岛素抵抗与肥胖指标的相关性。方法两组儿童体格检查并检测血脂、血胰岛素，计算体质量指数（ BMI）和胰岛素抵抗指数，并分析其与肥胖指标的相关性。结果肥胖儿童体质量、体质量指数、腰围、腰臀比、血总胆固醇（ TCH ）、三酰甘油（ TG ）、低密度脂蛋白胆固醇（LDL-C）、血压、内皮素（ET）、空腹胰岛素（FIns）及胰岛素抵抗（IR）明显高于对照组，均差异有统计学意义（P＜0．05）。 TCH、ET、IR与腰围有着明显的相关性。结论预测单纯性肥胖健康风险中，肥胖指标中的腰围比BMI意义更大。
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