AI Article Synopsis
- HbA1c is crucial for diagnosing and managing diabetes but can be affected by anemia, which is common in the Indian population, particularly due to nutritional deficiencies.
- There isn’t a specific hemoglobin (Hb) cutoff identified for accurately interpreting HbA1c in individuals with anemia.
- In a study of 1312 subjects, a significant relationship was found between random blood glucose and HbA1c until hemoglobin levels dropped to 8.1 gm/dL, suggesting careful interpretation is necessary only when Hb reaches 5 gm/dL or lower.
Article Abstract
HbA1c is used extensively for the diagnosis and management of diabetes mellitus. It constitutes 80% of glycated HbA1(Glycated haemoglobin(GHb)A), and depends upon blood glucose and RBC life span. RBC life span varies with anemia, leading to a consequent alteration in the HbA1c value irrespective of the circulating blood glucose concentration. But to the best of our knowledge no Hb cut offs have been derived for appropriate interpretation of HbA1c. The prevalence of anemia in Indian population is nearly 40% as per its definition by WHO-Hb < 12 g/dL in females and < 13 g/dL in males-with most cases attributable to nutritional deficiencies. Hence, we aimed to identify Hb cut-off for accurate interpretation of HbA in presence of deficiency anemias. Partial correlation between random blood glucose (RBG) and HbA was studied in 1312 subjects, 470 of whom had deficiency-related anemia]. The data was adjusted for age, sex and Hb. Partial correlation between RBG and HbA1c was highly significant (p < 0.0001) till Hb of 8.1 gm/dL. Significance reduced to p = 0.003 and p = 0.006 as the cut off of Hb reduced to 7.1 gm/dL and 5.0 gm/dL, respectively, but was not lost. Hence, caution in interpretation of HbA is not required till an Hb of 5 g/dL.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8215021 | PMC |
| http://dx.doi.org/10.1007/s12291-020-00896-4 | DOI Listing |
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