Prevalence of pre-diabetes and undiagnosed diabetes and yield of HbA1c by ethnic group standardized* to the UK general population aged 40–70 years
| White n=24 119 971 | South Asian n=815 891 | Black n=602 358 | Chinese n=117 430 | Overall n=25 655 650 | Overall n=25 655 650 | |
| n (%) | n (%) | n (%) | n (%) | n (%) | Yield | |
| Pre-diabetes | 795 965 (3.3) | 89 859 (11.0) | 83 151 (13.8) | 9112 (7.8) | 978 087 (3.8) | 1 in 26 |
| Undiagnosed diabetes | 166 794 (0.7) | 28 997 (3.6) | 18 034 (3.0) | 1290 (1.1) | 215 115 (0.8) | 1 in 125 |
| Pre-diabetes or undiagnosed diabetes | 962 759 (4.0) | 118 856 (14.6) | 101 185 (16.8) | 10 402 (8.9) | 1 193 202 (4.7) | 1 in 22 |
Yield refers to the average number needing to be tested to identify one case.
*Ethnic-specific results standardized by age and sex; overall results standardized by age, sex, and ethnic group.
HbA1c, glycated hemoglobin; n, number.