Table 9—— Correlation between A1C level and mean plasma glucose levels on multiple testing over 2–3 months

A1C (%) Mean plasma glucose
mg/dl mmol/l
6 135 7.5
7 170 9.5
8 205 11.5
9 240 13.5
10 275 15.5
11 310 17.5
12 345 19.5

These estimates are based on DCCT data (34). An updated version of this table, based on final results of the ADAG Trial, will be available at www.diabetes.org after publication of the study's findings in 2008.