. 2018 Sep 17;41(11):2275–2280. doi: 10.2337/dc18-1581

Table 3.

Difference between GMI (calculated from CGM-derived mean glucose) and laboratory-measured A1C (N = 528)

Absolute value of difference between GMI and laboratory A1C (%)	Percentage of values (%)	95% CI (%)
0 to <0.1	19	16–22
≥0.1	81	78–84
≥0.2	67	63–71
≥0.3	51	47–55
≥0.4	39	34–43
≥0.5	28	24–32
≥0.6	19	15–22
≥0.7	12	9–15
≥0.8	8	5–10
≥0.9	4	3–6
≥1.0	3	2–4