Adapted from Lind M et al. BMJ 28 August 2019
In type one diabetes in adults and children there could be a sweet spot for blood sugar control.
Under 6.5% severe hypoglycaemia rates increase. Retinopathy and nephropathy risks are not lower however below 6.5% compared to 6.9%. My comment: In low carbers however, they have considerable protection against severe hypoglycaemia due to more precise meal/insulin matching, although they do experience more episodes of mild hypoglycaemia.
Risks for mild complications begin at levels over 7.0% and severe complications rise with levels over 8.6%.
Current guidelines vary in their HbA1C recommendations, anywhere from 6.5% to 7.5%.
The complication rates were based on 10,398 adults and children with type one diabetes on the Swedish National Diabetes Registry who were diagnosed between 1998 and 2017.