Table 3.
Mean fasting plasma glucose levels (95 % CI) for specified A1C levels in the ADAG study and KNHANES 2011
| A1C (%) | KNHANES 2011a | ADAG study [12]b | |
|---|---|---|---|
| Mean FPG | Mean fasting glucose | ||
| Mean (mmol/L) ± SD | Range | ||
| <5 | 4.8 ± 0.4 | 2.8–6.8 | |
| 5 | 5.1 ± 0.5 | 3.3–8.9 | |
| 6 | 6.1 ± 0.9 | 4.0–8.7 | |
| 6.0–6.4 | 5.9 ± 0.8 | 6.8a | |
| 6.5–6.9 | 6.8 ± 1.1 | 7.9 | |
| 7 | 7.7 ± 1.1 | 5.4–10.2 | |
| 7.0–7.4 | 7.5 ± 1.0 | 8.4 | |
| 7.5–7.9 | 8.0 ± 1.1 | 9.3 | |
| 8 | 8.8 ± 1.2 | 7.4–12.1 | 9.9c |
| 9 | 11.2 ± 1.3 | 6.1–13.2 | |
| ≥10 | 13.9 ± 1.8 | 11.1–16.2 | |
Data are expressed as mean (±SD)
ADAG A1c-derived average glucose, A1C hemoglobin A1c, FPG fasting plasma glucose, KNHANES Korea National Health and Nutrition Examination Survey
aThe range of specified A1C for this fasting glucose level (6.8 mmol/L) is from 5.5 to 6.49 %
bModified from Wei et al. Diabetes Care 2014;37:1048–1051 [12]. These estimates are based on the SMBG data from 470 of the ADAG study participants (237 with type 1 diabetes and 147 with type 2 diabetes) to determine the average fasting blood glucose for specified HbA1c groups
cThe range of specified A1C for this fasting glucose level (9.9 mmol/L) is from 8.0 to 8.5 %