Table 1: Relations among DCCT and IFCC values of HbA1c and estimated average glycemia.

HbA1c

(NGSP/DCCT)

%

HbA1c

(IFCC)

mmol/mol

Estimated

average glucose

(eAG)

mg/dL

5

31

97

6

42

126

7

53

154

8

64

183

9

75

212

10

83

240

11

96

269

12

107

298

13

118

355

Adapted from: American Diabetes Association Professional Practice Committee38 and Agrawal SN.59