Fig. 1

a) Latent class analysis identified three main patterns of change in FBG and HbA1c over time. b) High-stable HbA1c was associated with decline in verbal skills relative to participants with low stable HbA1c. c) High stable FBG was associated with reduced memory performance at 12 years. CVLT California Verbal Learning Test, FPG Fasting Plasma Glucose, HbA1c glycated haemoglobin, STW Spot the Word