Effect of HbA1c combined FPG on screening diabetes in health check-up

Asian Pacific Journal of Tropical Medicine
Li-Juan LiYao-Ming Xue

Abstract

To appraise the effectiveness of HbA(1c) and fasting plasma glucose (FPG) on screening diabetes in health check-up. A total of 1,337 individuals (male 850, female 487), aged 27 to 91 years with HbA(1c) test were included. Participates with HbA(1c) ≥6.0% or FPG≥6.1 mmol/L underwent oral glucose tolerance test (OGTT). Diabetes mellitus was diagnosed according to the criteria of WHO in 1999, FPG≥7.0 mmol/L and/or OGTT 2 h-postload plasm glucose (2 h-PG)≥11.1 mmol/L. The sensitivity and specificity of HbA(1c) thresholds and FPG or combination test on screening of diabetes were analyzed. A total of 842 subjects had HbA(1c) <6.0%, in which 32 had isolated FPG≥6.1 mmol/L, of 495 had HbA(1c)≥6.0%. Subjects with HbA(1c)≥6.0% had significant increased disorder indexes than those with HbA(1c)<6.0%. 527 subjects who had HbA(1c)≥6.0% or FPG≥6.1 mmol/L underwent OGTT. A total of 234 subjects were newly diagnosed diabetes, including 123 (123/234, 52.56%) with FPG≥7.0 mmol/L, and 111 subjects (111/234, 47.43%) with isolated 2 h-PG≥11.1 mmol/L. Among 234 new diabetes, 91.88% (215 subjects) had HbA(1c)≥6.3%, and 77.40% (181 subjects) had HbA(1c)≥6.5%. HbA(1c)≥6.3% combined FPG ≥7.0 mmol/L increased the positive rate of newly diagnosed diabetes f...Continue Reading

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