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糖化血红蛋白联合血清尿酸对代谢综合征的患病风险评估及诊断价值.docx

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    • 糖化血红蛋白联合血清尿酸对代谢综合征的患病风险评估及诊断价值 胡金喜 朱小丽[摘要] 目的 探讨糖化血红蛋白(HbA1c)联合血清尿酸(SUA)对代谢综合征(MS)的風险评估及诊断价值 方法 收集10 597例于2012年1~12月在浙江省台州医院体检的成年人MS相关指标及实验室检测数据,以该人群1645例MS者为实验组(MS组)和8952例非MS者为对照组(非MS组),用决策树CRT法和受试者工作曲线(ROC)分析HbA1c联合SUA对MS的患病风险及诊断价值 结果 该人群MS患病率为15.5%(男性:18.5%,女性:7.4%)MS组与非MS组相比HbA1c和SUA均存在显著差异(均P6.65%且SUA>5.14 mg/dL)相对于G1组(HbA1c≤6.05%且SUA≤7.15 mg/dL)患MS的风险(OR)是17.9(95%CI:14.35~22.31),女性G5组(HbA1c>7.65%)相对于G1组(HbA1c≤6.15%且SUA≤4.85 mg/dL)患MS的风险(OR)是78.93(95%CI:41.61~149.72)ROC曲线得到HbA1c诊断男性和女性MS的最佳cut-off值均为5.7%,SUA诊断男性和女性MS的最佳cut-off值分别为6.4 mg/dL和4.9 mg/dL。

      HbA1c和SUA联检可以显著提高特异性(男性:90.9%,女性:93.9%) 结论 HbA1c和SUA可作为MS潜在的标志物,二者联合可有效评估MS患病风险,同时可以显著提高诊断MS的特异性[关键词] 决策树;糖化血红蛋白;血清尿酸;代谢综合征[] R587.1;R589 [] A [] 1673-9701(2020)17-0011-05Risk assessment and diagnostic value of glycosylated hemoglobin combined with serum uric acid for metabolic syndromeHU Jinxi1 ZHU Xiaoli21.Department of Oncology Surgery, Taizhou Hospital of Zhejiang Province, Taizhou 317000, China; 2.Department of Clinical Laboratory, Taizhou Hospital of Zhejiang Province, Taizhou 317000, China[Abstract] Objective To explore the risk assessment and diagnostic value of glycosylated hemoglobin(HbA1c) combined with serum uric acid(SUA) for metabolic syndrome(MS). Methods The MS-related indexes and laboratory test data of 10 597 adults who had checkup in Taizhou Hospital of Zhejiang Province from January to December 2012 were collected. Among the population, 1645 MS patients were taken as the experimental group(the MS group) and 8952 non-MS patients were taken as the control group(the non-MS group). The risk and diagnostic value of HbA1c combined with SUA for MS were analyzed through the decision tree CRT method and receiver operating characteristic(ROC) curve. Results The OR of MS for the population in question was 15.5%(male: 18.5%; female: 7.4%). There were significant differences in HbA1c and SUA between the MS group and the non-MS group(In both, P6.65% and SUA>5.14 mg/dl) was 17.9(95%CI: 14.35-22.31) relative to the G1 group(HbA1c≤6.05% and SUA≤7.15 mg/dL), while the OR of MS in the female G5 group(HbA1c>7.65%) was 78.93(95%CI: 41.61-149.72) relative to the G1 group(HbA1c≤6.15% and SUA≤4.85 mg/dL). ROC curve showed that the best cut-off value of HbA1c for diagnosis of male and female MS was 5.7%, and the best cut-off value of SUA for diagnosis of male and female MS was 6.4 mg/dL and 4.9 mg/dL respectively. HbA1c and SUA combined examination could significantly improve specificity(male: 90.9%; female: 93.9%). Conclusion HbA1c and SUA can be used as potential markers of MS. The combination of HbA1c and SUA can effectively assess the risk of MS and significantly improve the specificity of diagnosis of MS.[Key words] Decision tree; Glycosylated hemoglobin; Serum uric acid; Metabolic syndrome代谢综合征(Metabolic syndrome,MS)是以高血糖、肥胖、高血压、高甘油三酯(TG)及低高密度脂蛋白胆固醇(HDL-C)为病理生理基础,以胰岛素抵抗为特征的一组临床症候群[1-2]。

      MS是近年来全球关注的焦点之一,患病率逐年增加,动脉粥样硬化及心脑血管事件是其主要危害[3],因此,对MS进行早期诊断及预防具有重要意义研究发现,糖化血红蛋白(Hemoglobin A1c,HbA1c)与MS的患病率具有重要的联系,有学者提出外周血HbA1c诊断MS的最佳cut-off值为5.65%[4]亦有文章提出,血清尿酸(Serum uric acid,SUA)与MS的患病率呈正相关,SUA诊断男性和女性MS的最佳cut-off值分别是6.3 mg/dL和4.9 mg/dL[3]但是,目前还没有关于HbA1c联合SUA评估MS患病风险及诊断MS的报道,因此,本研究将探讨HbA1c联合SUA对MS的风险评估及诊断价值,现报道如下1 资料与方法1.1 一般资料研究人群为2012年1~12月在浙江省台州医院的体检者,均为台州市城镇常住居民,以企事业单位工作者为主排除患癌症和慢性感染性疾病(如类风湿关节炎、病毒性肝炎、长期慢性肝病等)的体检者本研究共纳入10 597例20岁以上成年人,平均年龄(45.713.4)岁,其中男7734例,年龄20~91岁,平均(48.012.9)岁,以该人群1434例MS者为实验组(MS组)和6300例非MS者为对照组(非MS组);研究对象中女2863例,年龄20~89岁,平均(44.912.1)岁,以该人群211例MS者为实验组(MS组)和2652例非MS者为对照组(非MS组)。

      基于HbA1c和SUA含量,男性受试者被决策树分为6组(图1):G1:HbA1c≤6.05%且SUA≤7.15 mg/dL;G2:HbA1c≤6.05%且SUA>7.15 mg/dL;G3:6.05%6.55 mg/dL;G5:HbA1c>6.65%且SUA≤5.14 mg/dL;G6:HbA1c>6.65%且SUA>5.14 mg/dL女性受试者被决策树分为5组(图2):G1:HbA1c≤6.15%且SUA≤4.85 mg/dL;G2:HbA1c≤6.15%且SUA>4.85 mg/dL;G3:6.15%5.58 mg/dL;G5:HbA1c>7.65%该研究得到浙江省台州医院伦理委员会的认可与支持1.2 MS诊断标准参照糖尿病分会(CDS)代谢综合征研究协作组2004年MS诊断标准进行诊断[5],即(1)超重和/或肥胖:MBI≥25 kg/m2;(2)血脂紊乱:TG≥1.7 mmol/L,和(或)HDL-C男性1.3 方法体检者脱掉鞋子检测身高和体重,分别精确到0.1 cm和0.1 kg体质量指数(BMI)用体重(kg)除以身高的平方(m2)換算得来收缩压(SBP)和舒张压(DBP)在体检者至少休息5 min的情况下由专业护士用欧姆龙HEM-7200血压仪进行测量。

      在体检者空腹8~12 h的情况下抽取其静脉血,进行生化和血常规检测通过全自动生化分析仪日立7600(Hitachi 7600;Hitachi,Tokyo,Japan),利用比色法检测空腹血糖(FPG)、TG、HDL-C和SUA利用全自动分析仪HLC-723 HPLC(HLC-723 G7;Tosoh Corporation,Tokyo,Japan)检测HbA1c1.4 统计学方法建立体检人群数据库,对所有数据进行整理,采用SPSS19.0统计学软件进行数据分析,采用Students t-test和Chi-square(χ2)test对男性和女性各项基本资料在MS组和非MS组中的差异进行统计分析利用决策树CRT法对男女HbA1c及SUA进行分层分析利用ROC曲线对MS进行诊断,P<0.05为差异有统计学意义2 结果2.1 男性和女性MS组及非MS组各参数比较该人群MS总患病率为15.5%(95%CI:16.2%,14.8%),其中男性MS患病率为18.5%(95%CI:19.2%,18.1%),女性MS患病率为7.4%(95%CI:9.2%,5.6%)男性MS组年龄[(52.012.0)岁]显著高于非MS组[(47.113.0)岁],差异有统计学意义(P<0.001);女性MS组年龄[(57.610.9)岁]显著高于非MS组[(43.911.6)岁],差异有统计学意义(P<0.001)。

      男性和女性MS组BMI、SBP、DBP、FPG、TG、HbA1c和SUA显著高于非MS组,差异有统计学意义(均P<0.001)男性和女性MS组中血清HDL-C含量显著低于非MS组,差异有统计学差异(P<0.001)2.2 决策树法分析HbA1c联合SUA评估MS的患病风险决策树根据HbA1c和SUA含量将男性分为6组,女性分为5组男性6组(G1、G2、G3、G4、G5、G6)MS患病率分别为9.8%,20.9%,28.4%,。

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