Objective To study the relation of neck circumference with MS and its components in the elderly .Methods A total of 4412 Renqu permanent residents aged 60-70 years were divided into group A (n=1115) with their neck circumference≤33 .80cm ,group B (n=1139) with their neck circumference being 33 .81-35 .80 cm ,group C (n=1143) with their neck circumference be‐ing 35 .81-38 .00cm ,and group D (n=1015) with their neck circumference>38 .00 cm .The cut point of neck circumference was analyzed according to the ROC curve by logistic regression analy‐sis .Results The BMI ,waist circumference ,blood pressure ,and serum FBG ,LDL‐C ,UA levels in‐creased while the serum HDL‐C level decreased with the increasing neck circumference (P<0 .05 , P<0 .01) .The cut point of neck circumference was 37 .75/34 .15 cm with a predictive accuracy of 78 .7% and 76 .1% respectively for MS in males and females .The detection rate of MS ,central obesity ,high TG ,low HDL‐C ,hypertension ,diabetes mellitus was significantly higher in patients with a higher cut point of neck circumference than in those with a lower cut point of neck circum‐ference (67 .41% vs 24 .93% ,84 .26% vs 30 .59% ,45 .95% vs 21 .98% ,55 .01% vs 31 .67% , 91.20% vs 80 .40% ,29 .33% vs 13 .89% ,P<0 .01) .Conclusion Neck circumference is closely related with MS and its components ,and plays an important role in early prediction and preven‐tion of MS .%目的：探讨老年人群颈围水平与代谢综合征（M S ）及各代谢组分的相关关系。方法随机整群抽样法以任丘市年龄60～70岁的常住居民4412例为调查者，根据颈围进行4分位分组，A组1115例（颈围≤33．80 cm ），B组1139例（颈围33．81～35．80 cm），C组1143例（颈围35．81～38．00 cm），D组1015例（颈围＞38．00 cm），采用ROC曲线分析判断颈围的界值，采用 logistic回归分析。结果 A、B、C、D组体质量指数、腰围、血压、空腹血糖、TG、LDL‐C、尿酸和 HDL‐C水平比较，差异有统计学意义（P＜0.05，P＜0.01）；颈围是男女性中心性肥胖、高血压、糖尿病、高TG、低HDL‐C的独立危险因素（P＜0．01）；男女性颈围界值（37．75 cm／34．15 cm）对MS的预测准确性男性为78．7％，女性为76．1％，颈围高于界值的 M S 检出率（67．41％ v s 24．93％）及中心性肥胖（84．26％ v s 30.59％）、高TG血症（45．95％ vs 21．98％）、低HDL‐C血症（55.01％ vs 31.67％）、高血压（91．20％ vs 80．40％）、糖尿病（29．33％ v s 13．89％）检出率较颈围低于界值者明显升高（ P＝0．000）。结论颈围与M S及各代谢组分密切相关，对MS的早期预测及预防有重要意义。
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