The Hindu

Standard diabetes test glycated haemoglobin (HbA1c) may mislead in diagnosis of type-2 diabetes in Indias population: experts

Any condition that affects the quantity, structure, or lifespan of haemoglobin such as anaemia, haemoglobinopathies, or other red blood cell disorders can distort HbA1c values and lead to misleading estimates of average blood glucose, the Lancet viewpoint article notes.