Creatinine, bodyweight, HbA1c, insulin doses and urine-albumin. The figures shown are the average per year (including the first 5 months of 2006) before and after a change to a low-carbohydrate diet in an obese patient with type 2 diabetes and renal failure. Arrow: Start of low-carbohydrate diet. Creatinine and urine albumin concentrations are given with ranges. Normal range: HbA1c <5.6 %. Creatinine 60–120 μmol/l. Urine albumin normal < 30 mg/l.