From: Longitudinal changes and patterns in cardiometabolic index and the natural course of prediabetes in the China health and retirement longitudinal study
Normoglycaemia
Prediabetes
Diabetes
FPG
 < 5.6 mmol/L
5.6–6.9 mmol/L
 ≥ 7.0 mmol/L
HbA1c
 < 5.7%
5.7–6.4%
 ≥ 6.5%
Diagnosed with diabetes by another physician
Yes