InScotland, there are currently 235 769 (88.1% of total type 2 diabetes population)people with type 2 diabetes not on insulin.25 Extrapolating these results, we can speculate that a potential ten-year costsaving could be approximately £28m (235 769 × £118.72) if every person in thiscategory were to use the system and had similar benefits. This evidence concerns the gene INS and type 2 diabetes mellitus.