![](https://www.diabetesnews.com/wp-content/uploads/2014/02/1376258597_Metformin-150x150.jpg)
The objective of the study, published in leading diabetes journal Diabetes, Obesity and Metabolism, was to compare all-cause mortality in diabetic patients treated with either sulphonylurea or metformin with matched individuals without diabetes including age, gender, same general practice, smoking status and clinical status criteria.