Associations between HbA1c-derived estimated average glucose and fasting plasma glucose in patients with normal and abnormal hemoglobin patterns

References

• Adapa D, Sarangi TK. A review on diabetic mellitus: complications, management and treatment modalities. Res Rev J Med Health Sci. 2015;4(3):1–17.
   Google Scholar
• The Diabetes Control and Complications Trial Research Group. The effect of intensive treatment of diabetes on the development and progression of long-term complications in insulin-dependent diabetes mellitus. N Engl J Med. 1993;329(14):977–986.
   PubMed Web of Science ®Google Scholar
• Sherwani SI, Khan HA, Ekhzaimy A, et al. Significance of HbA1c test in diagnosis and prognosis of diabetic patients. Biomark Insight. 2016;11:95–104.
   PubMed Web of Science ®Google Scholar
• Rohlfing CL, Wiedmeyer H, Little RR, et al. Defining the relationship between plasma glucose and HbA(1c): analysis of glucose profiles and HbA(1c) in the diabetes control and complications trial. Diabetes Care. 2002;25(2):275–278.
   PubMed Web of Science ®Google Scholar
• Weykamp C. HbA1c: a review of analytical and clinical aspects. Ann Lab Med. 2013; 33(6):393–400.
   PubMed Web of Science ®Google Scholar
• Rhea JM, Molinaro R. Pathology consultation on HbA(1c) methods and interferences. Am J Clin Pathol. 2014;141(1):5–16.
   PubMed Web of Science ®Google Scholar
• Ollerton RL, Playle R, Ahmed K, et al. Day-to-day variability of fasting plasma glucose in newly diagnosed type 2 diabetic subjects. Diabetes Care. 1999;22(3):394–398.
   PubMed Web of Science ®Google Scholar
• Nathan DM, Turgeon H, Regan S. Relationship between glycated haemoglobin levels and mean glucose levels over time. Diabetologia. 2007;50(11):2239–2244.
   PubMed Web of Science ®Google Scholar
• Nathan DM, Kuenen J, Borg R, et al. Translating the A1c assay into estimated average glucose values. Diabetes Care. 2008;31(8):1473–1478.
   PubMed Web of Science ®Google Scholar
• Sayed A, Alyafei F, Sancis VD, et al. Translating the HbA1c assay into estimated average glucose values in children and adolescents with type 1 diabetes mellitus. Acta Biomed. 2018;89(5):22–26.
   PubMedGoogle Scholar
• Chaibunruang A, Sornkayasit K, Chewasateanchai M, et al. Prevalence of thalassemia among newborns: a re-visited after 20 years of a prevention and control program in Northeast Thailand. Mediterr J Hematol Infect Dis. 2018;10(1):e2018054.
   PubMed Web of Science ®Google Scholar
• Chalew SA, Hempe JM, McCarter R. Clinically significant disagreement between mean blood glucose and estimated average glucose in two populations: implications for diabetes management. J Diabetes Sci Technol. 2009;3(5):1128–1135.
   PubMedGoogle Scholar
• Nkoana MK, Khine AA. Correlation between self-monitored mean blood glucose and average plasma glucose estimated from glycated haemoglobin in patients attending the diabetes clinic at Dr George Mukhari Academic Hospital, Pretoria, South Africa. S Afr Med J. 2020;110(5):416–421.
   PubMed Web of Science ®Google Scholar
• Bozkaya G, Ozgu E, Karaca B. The association between estimated average glucose levels and fasting plasma glucose levels. Clinics. 2010;65(11):1077–1080.
   PubMed Web of Science ®Google Scholar
• Kim H, Lee S, Suh S, et al. The relationship between estimated average glucose and fasting plasma glucose. Clin Chem Lab Med. 2013;51(11):2195–2200.
   PubMed Web of Science ®Google Scholar
• Stamouli M, Pouliakis A, Mourtzikou A, et al. Identifying the relation between fasting blood glucose and glycosylated haemoglobin levels in Greek diabetic patients. Ann Cytol Pathol. 2016;1(1):025–033.
   Google Scholar
• Walia HK, Kaur K. Estimated average glucose, eAG – a more intuitive understanding of glycemic control. Int J Adv Res. 2017;5(1):108–111.
   Google Scholar
• Kariyawasan CC, Balasuriya BLT, Ranatunga SACD, et al. The association between Hba1c-derived estimated average glucose (Eag) with fasting blood sugar (FBS) and post prandial blood sugar (PPBS) in patients with type 2 diabetes in a cohort of patients in a tertiary care hospital in Sri Lanka. EJMED. 2021;3(2):117–121.
   Google Scholar
• Ou Z, Li Q, Liu W, et al. Elevated hemoglobin A2 as a marker for beta-thalassemia trait in pregnant women. Tohoku J Exp Med. 2011;223(3):223–226.
   PubMed Web of Science ®Google Scholar
• Sriwimol W, Choosongsang P, Choosongsang P, et al. Strong correlation and high comparability of capillary electrophoresis and three different methods for HbA1c measurement in a population without hemoglobinopathy. Scand J Clin Lab Invest. 2020;80(2):139–150.
   PubMed Web of Science ®Google Scholar
• Giavarina D. Understanding Bland Altman analysis. Biochem Med. 2015;25(2):141–151.
   PubMed Web of Science ®Google Scholar
• Rathmann W, Bongaerts B, Kostev K. Association of characteristics of people with type 2 diabetes mellitus with discordant values of fasting glucose and HbA1c. J Diabetes. 2018;10(12):934–941.
   PubMed Web of Science ®Google Scholar
• Lee J, Lee YA, Kim JH, et al. Discrepancies between glycosylated hemoglobin and fasting plasma glucose for diagnosing impaired fasting glucose and diabetes mellitus in Korean youth and young adults. Diabetes Metab J. 2019;43(2):174–182.
   PubMed Web of Science ®Google Scholar
• Adewoly OF, Ohenhen OA. Glycaemic control and correlation between estimated average glucose and glycated haemoglobin in diabetic patients seen in a tertiary hospital in Benin City. Nigeria. Afr J Med Health Sci. 2020;19(3):36–40.
   Google Scholar
• Sack DB. Correlation between haemoglobin A1c (HbA1c) and average blood glucose: can HbA1c be reported as estimated blood glucose concentration. J Diabetes Sci Technol. 2007;1(6):801–803.
   PubMedGoogle Scholar
• NGSP. International Federation of Clinical Chemistry (IFCC). Standardization of HbA1c; [cited 2021 Aug 31]. Available from: http://www.ngsp.org/docs/IFCCstd.pdf.
   Google Scholar
• Thom CS, Dickson CF, Gell DA, et al. Hemoglobin variants: biochemical properties and clinical correlates. Cold Spring Harb Perspect Med. 2013;3(3):a011858.
   PubMed Web of Science ®Google Scholar
• Polage C, Little RR, Rohlfing CL, et al. Effects of beta thalassemia minor on results of six glycated hemoglobin methods. Clin Chim Acta. 2004;350(1–2):123–128.
   PubMed Web of Science ®Google Scholar
• Tsilingiris D, Makrilakis K, Voskaridou E, et al. Effect of heterozygous beta thalassemia on HbA1c levels in individuals without diabetes mellitus: a cross-sectional study. Clin Chim Acta. 2019;494:132–137.
   PubMed Web of Science ®Google Scholar
• Pravatmuang P, Sae-Ngow B, Whanpuch T, et al. Effect of HbE and HbH on HbA1C level by ionic exchange HPLC comparing to immunoturbidimetry. Clin Chim Acta. 2001;313(1–2):171–178.
   PubMed Web of Science ®Google Scholar
• Nasir NM, Thevarajah M, Yean CY. Hemoglobin variants detected by hemoglobin A1c (HbA1c) analysis and the effects on HbA1c measurements. Int J Diabetes Dev Ctries. 2010;30(2):86–90.
   PubMed Web of Science ®Google Scholar
• Lee SC, Wan LH, Tsai SM, et al. Effects of the Hb E, Hb H and Hb G-Taichung variants on HbA1c values by the Bio-Rad variantTM II turbo analyzer. Clin Biochem. 2011;44(16):1338–1342.
   PubMed Web of Science ®Google Scholar