Table 2.

Distribution of U.S. adults without diagnosed diabetes by the cross-classification of A1C and fasting glucose, using different A1C cut points

A1C cut point	< A1C cut point		≥ A1C cut point
	FPG <100 mg/dl	FPG ≥100 mg/dl	FPG <100 mg/dl	FPG ≥100 mg/dl
5.3%	39.8 ± 1.3	7.3 ± 0.5	32.0 ± 0.9	20.9 ± 0.8
5.4%	48.2 ± 1.3	10.3 ± 0.6	23.6 ± 0.9	17.9 ± 0.7
5.5%	57.8 ± 1.3	13.8 ± 0.7	14.0 ± 0.7	14.4 ± 0.6
5.6%	63.2 ± 1.2	17.5 ± 0.8	8.6 ± 0.5	10.8 ± 0.5
5.7%	66.9 ± 1.1	20.5 ± 0.9	4.9 ± 0.3	7.7 ± 0.4
5.8%	69.2 ± 1.1	23.0 ± 1.0	2.5 ± 0.2	5.3 ± 0.4
5.9%	70.2 ± 1.1	24.6 ± 1.0	1.6 ± 0.2	3.7 ± 0.3
6.0%	71.1 ± 1.1	25.8 ± 1.1	0.7 ± 0.1	2.5 ± 0.2
6.1%	71.4 ± 1.1	26.7 ± 1.1	0.4 ± 0.1	1.6 ± 0.2
6.2%	71.6 ± 1.1	27.3 ± 1.1	0.2 ± 0.1	0.9 ± 0.1
6.3%	71.7 ± 1.1	27.8 ± 1.1	0.1 ± 0.1	0.4 ± 0.1
6.4%	71.8 ± 1.1	28.1 ± 1.1	0 ± 0	0.1 ± 0.004

Data are prevalence estimates ± SE.