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The value of glycated hemoglobin versus fasting plasma glucose for the screening of diabetes mellitus

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Author:
No author available
Journal Title:
Chinese Journal of Diabetes
Issue:
11
DOI:
10.3969/j.issn.1006-6187.2011.11.003
Key Word:
糖化血红蛋白;糖尿病;受试者工作特征曲线

Abstract: 目的 探索HbA1c及FPG筛查糖尿病(DM)的应用价值.方法 南京地区参加体检的未诊断糖尿病1330例,测定FPG和HbA1c,予标准化早餐后测定餐后2小时血糖(2hPG),用受试者工作特征曲线(ROC)评价FPG和HbA1 c筛查糖尿病的效果.结果 按1999年WHO的糖尿病诊断标准,本研究人群DM患病率为6.8%.采用ROC曲线判断,与DM状态相关的FPG临界点为6.1mmol/L,敏感性和特异性分别为81.3%和96.3%;HbA1c临界点为6.1%,敏感性和特异性分别为83.5%和88.8%.当采用FPG≥6.1mmol/L或HbAc≥6.1%作为标准时,敏感性达到92.3%,同时有较好的特异性81.2%.结论 单独使用FPG较HbA1c在筛查DM中具有稍高的价值,为了最大限度的筛查DM患者,建议对6.1mmol/L≤FPG≤7.0mmol/L或HbA1c≥6.1%的患者行OGTT以明确有无糖尿病.

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