Screening studies carried out in primary care in the UK1 have shown that screening for type 2 diabetes mellitus (T2DM) will identify around 15% of middle aged adults with impaired glucose tolerance or impaired fasting glucose, collectively termed impaired glucose regulation (IGR) and also known as pre-diabetes mellitus.2 IGR is considered to be a high-risk state for T2DM, cardiovascular disease (CVD) and increased mortality3,4 and is now referred to as ‘at high risk of developing diabetes’...