A Waikato study (Reda et al 2007) compared HbA1c levels for a group of people with type 1 before and after the introduction of pump therapy. No comparison group was used and the data consisted of 105 individuals on continuous subcutaneous insulin infusion (CSII) at the time of the study. A significant improvement in HbA1c was found with an average reduction of 1%, which was maintained at three years. The incidence of severe hypoglycaemia reduced from 0.75 cases per patient year during multiple daily injections (MDI) pre-pump to 0.05 during CSII. Hypo awareness was restored for some individuals and there was no increase in diabetic ketoacidosis.
