• Ricardo Silva Tavares, Fábio Oliveira de Souza, Isabel Cristina Carvalho Medeiros Francescantonio, Weslley Carvalho Soares, and Mauro Meira Mesquita.
• Undergraduate Degree in Biomedicine from Pontifícia Universidade Católica de Goiás (PUC Goiás), Goiânia, GO, Brazil.
• Rev Assoc Med Bras (1992). 2017 Apr 1; 63 (4): 341346341-346.

Objective:To evaluate the levels of glycated hemoglobin (HbA1c) in patients heterozygous for hemoglobin variants and compare the results of this test with those of a control group.Method:This was an experimental study based on the comparison of HbA1c tests in two different populations, with a test group represented by individuals heterozygous for hemoglobin variants (AS and AC) and a control group consisting of people with electrophoretic profile AA. The two populations were required to meet the following inclusion criteria: Normal levels of fasting glucose, hemoglobin, urea and triglycerides, bilirubin > 20 mg/dL and non-use of acetylsalicylic acid. 50 heterozygous subjects and 50 controls were evaluated between August 2013 and May 2014. The comparison of HbA1c levels between heterozygous individuals and control subjects was performed based on standard deviation, mean and G-Test.Results:The study assessed a test group and a control group, both with 39 adults and 11 children. The mean among heterozygous adults for HbA1c was 5.0%, while the control group showed a rate of 5.74%. Heterozygous children presented mean HbA1c at 5.11%, while the controls were at 5.78%. G-Test yielded p=0.93 for children and p=0.89 for adults.Conclusion:Our study evaluated HbA1c using ion exchange chromatography resins, and the patients heterozygous for hemoglobin variants showed no significant difference from the control group.

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