Many people that are diabetic take longer to heal, but this can also be the case of what you have had done, whether you do what you are told to ( ie physio, exercise etc) and your blood levels.
Personally, because of positive attitude and luck I have been a fantastic healer for a type 1 28+ year diabetic.. Better than non diabetics...
However, every diabetic is different..are you having healing problems?
In principle healing times might take longer if your blood sugar is elevated. If it is under good control then healing times should typically be normal