Association of glycosylated haemoglobin level and diabetes mellitus duration with the severity of coronary artery disease.

Diabetes mellitus (DM) is known to cause microvascular and possibly macrovascular complications. This study was performed to find the association between glycosylated haemoglobin (HbA1C) level and the severity of coronary artery disease. One hundred and ten consecutive patients admitted to hospital with acute myocardial infarction were studied.