<prompt> Which of the following is true about glycosylated haemoglobin?Increased in diabetic patients with sickle cell anaemiaIt is a poor indicator of long term diabetic status in patient with renal diseaseContain Haemoglobin with sugar moietyHalf- life is 45 days in adults  <response>: Glycosylated haemoglobin is not a reliable test in patients with hemoglobinopathies like thalassemia and sickle cell anemia. It is an excellent test indicating poor glycemic control in diabetics and higher valuesare associated with microvascular complications. It is a retrospective test indicating glycemic control for 8-12 weeks. 