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. 2018 Apr 19;41(7):1406–1413. doi: 10.2337/dc17-2419

Table 2.

Pearson correlation coefficients between HbA1c and alternative markers versus CGM variables in CF participants

CGM variable HbA1c 1,5-AG FA %GA
Average glucose 0.86§ −0.26* 0.69§ 0.83§
Average day glucose 0.87§ −0.28 0.66§ 0.83§
Average night glucose 0.77§ −0.17 0.70§ 0.78§
Maximum day glucose 0.51§ −0.23* 0.34 0.49§
Maximum night glucose 0.59§ −0.18 0.48§ 0.62§
Minimum sensor glucose −0.26* 0.26* −0.26* −0.32
Average AUC/day 0.86§ −0.26* 0.69§ 0.83§
Excursions >140/day −0.08 0.15 −0.17 −0.09
Excursions >200/day 0.31 −0.18 0.16 0.27*
% time >140 mg/dL 0.77§ −0.23* 0.61§ 0.73§
% time >200 mg/dL 0.91§ −0.36 0.78§ 0.90§
% time <70 mg/dL −0.02 −0.09 −0.03 −0.02
% time <60 mg/dL −0.01 −0.03 −0.05 −0.02
SD 0.77§ −0.34 0.55§ 0.74§
CV 0.40§ −0.30 0.21* 0.34
MAGE 0.61§ −0.32 0.41§ 0.60§
OGTT measures
 Fasting plasma glucose 0.62§ −0.27 0.61§ 0.62§
 1-h glucose 0.29 −0.23* 0.18 0.26*
 2-h glucose 0.57§ −0.30 0.34 0.46§

*P < 0.05;

P < 0.01;

P < 0.001;

§P < 0.0001.