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目的研究河北省任丘市老年居民甘油三酯/高密度脂蛋白胆固醇(TG/HDL-C)比值与胰岛素抵抗(IR)的关系,探索适合本地区筛查IR高危人群的预测指标,为心脑血管病防控工作提供依据。方法采用整群随机抽样法,选取任丘市5 010名60~70岁的常住居民为研究对象,其中男性2 163名,女性2 847名。调查内容包括健康调查问卷、体格检查和实验室生化指标检测。应用非条件logistic回归分析IR的相关危险因素,并采用受试者工作特征(ROC)曲线分析TG/HDL-C比值对IR的预测价值。结果 5 010名调查对象中,IR检出率为24.3%(1 218/5 010),男性为17.2%(371/2 163),女性为29.8%(847/2 847),71.4%的IR者合并2个及以上的危险因素;糖尿病(OR=2.021,95%CI:1.699~2.403)、体质指数(OR=1.086,95%CI:1.052~1.121)、腰围(OR=1.047,95%CI:1.035~1.060)、TG/HDL-C(OR=1.167,95%CI:1.111~1.225)、低密度脂蛋白胆固醇(OR=1.231,95%CI:1.038~1.460)和尿酸(OR=1.002,95%CI:1.001~1.003)升高是IR的独立危险因素(P<0.05);女性TG/HDL-C曲线下面积为0.677,界值为1.29,其对应的敏感性为57.6%,特异性为70.4%;男性TG/HDL-C曲线下面积为0.693,界值为1.08,其对应的敏感性59.3%,特异性为72.2%。结论河北省任丘市60~70岁居民IR的检出率高,控制糖尿病、体质指数,腰围和TG/HDL-C有助于改善IR状态。TG/HDL-C可以作为老年IR高危人群的筛查指标,以识别心脑血管病高危人群。
Objective To investigate the relationship between triglyceride / high density lipoprotein cholesterol (TG / HDL-C) ratio and insulin resistance (IR) in elderly residents in Renqiu City, Hebei Province, and to explore the predictive index suitable for screening high risk population of IR in this area. Cerebrovascular disease prevention and control to provide the basis. Methods Random cluster sampling method was used to select 5 010 permanent residents aged 60-70 years in Renqiu City, including 2 163 males and 2 847 females. Survey includes health questionnaire, physical examination and laboratory biochemical detection. Non-conditional logistic regression was used to analyze the risk factors associated with IR, and the predictive value of TG / HDL-C for IR was analyzed using receiver operating characteristic (ROC) curves. Results Among 5 010 subjects, the detection rate of IR was 24.3% (1 218/5 010), 17.2% (371/2 163) in males and 29.8% (847/2 847) in females, 71.4% in IR (OR = 2.021, 95% CI: 1.699-2.403), body mass index (OR = 1.086, 95% CI: 1.052-1.121), waist circumference (OR = 1.047, 95% CI: (OR = 1.231, 95% CI: 1.038-1.460) and uric acid (OR = 1.002, 95% CI: 1.035-1.060) % CI: 1.001 ~ 1.003) was an independent risk factor for IR (P <0.05). The area under the curve of TG / HDL-C in women was 0.677, the cutoff was 1.29, and the corresponding sensitivity was 57.6% 70.4%. The area under the curve of TG / HDL-C in males was 0.693, the cutoff was 1.08, corresponding to a sensitivity of 59.3% and a specificity of 72.2%. CONCLUSION: The detection rate of IR is very high among residents aged 60-70 in Renqiu City of Hebei Province. Control of diabetes, body mass index, waist circumference and TG / HDL-C can improve IR status. TG / HDL-C can be used as a screening index for elderly IR high-risk groups to identify people at high risk of cardiovascular disease.