Total diabetes (diagnosed and undiagnosed)and pre-diabetes (IFG and IGT). The total combined crude prevalence of diabetes and pre-diabetes was 42.3% in people aged 20 years (Table 2 and online appendix Figures A2 and A3).
Prevalence rose steadily with age, with crude prevalence reaching 75.7% in people
aged75 years. Prevalence of any hyperglycemic condition was much higher
in men than in women (aged 20 years crude 48.4 vs. 36.7%, P 0.0002; standardized
48.3 vs. 35.4%, P 0.0001),explained largely by the higher preva-