Table 1

Differences between type 1 and type 2 diabetes

Type 1 diabetesType 2 diabetes
Ketosis proneNon-ketosis prone
Insulin deficient and absolute requirement for insulinVariable degree of insulin resistance with insulin deficiency
Acute onsetInsidious onset
Non-obeseOften obesity associated
Usually younger onsetUsually older onset
Often islet autoantibody positive (GAD)Autoantibody negative
  • GAD, glutamic acid decarboxylase.