TABLE II

Five year incidence (percentages) of retinopathy and nephropathy above and below antimodal cut off points for fasting and two hour plasma glucose and glycated haemoglobin concentrations. Figures are numbers of subjects at risk at baseline

Two hour plasma glucose (mmol/l)Fasting plasma glucose (mmol/l)haemoglobin A1* ( % )
Condition<12.6>=12.6<9.3>=9.3<7.8>=7.8
Retinopathy769 (0.0)158 (17.5)822 (1.3)105 (17.3)842 (1.1)85 (22.9)
Nephropathy768 (1.2)173 (3.6)824 (1.3)117 (4.1)844 (1.4)97 (3.8)
  • *Cut off value calculated from regression equation of two glycated haemoglobin variables.