The A1C Prandial Product: An objective tool to decision making in diabetes.

This brief article describes a numerical index designed to assess the relative contribution of fasting and postprandial glucose to hyperglycaemia. This helps plan appropriate insulin and oral glucose-lowering therapy in an objective manner. It also reviews three similar indices described earlier in literature. Such indices need to be validated in large, multicentric trials, and have the potential to bring objectivity to choice of treatment of diabetes.