Further works on this disturbing association published in the November 2012 issue of Diabetologia.
Here is the summary writeup in Healthday with an excerpt:
“This analysis of data from more than 17,000 diabetes patients in eight studies found that the more than 3,000 patients with a history of foot ulcers had an extra 58 deaths per 1,000 people each year than those without foot ulcers.”