Table 2

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

CGM variableHbA1c1,5-AGFA%GA
Average glucose0.86§−0.26*0.69§0.83§
Average day glucose0.87§−0.280.66§0.83§
Average night glucose0.77§−0.170.70§0.78§
Maximum day glucose0.51§−0.23*0.340.49§
Maximum night glucose0.59§−0.180.48§0.62§
Minimum sensor glucose−0.26*0.26*−0.26*−0.32
Average AUC/day0.86§−0.26*0.69§0.83§
Excursions >140/day−0.080.15−0.17−0.09
Excursions >200/day0.31−0.180.160.27*
% time >140 mg/dL0.77§−0.23*0.61§0.73§
% time >200 mg/dL0.91§−0.360.78§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
SD0.77§−0.340.55§0.74§
CV0.40§−0.300.21*0.34
MAGE0.61§−0.320.41§0.60§
OGTT measures
 Fasting plasma glucose0.62§−0.270.61§0.62§
 1-h glucose0.29−0.23*0.180.26*
 2-h glucose0.57§−0.300.340.46§
  • *P < 0.05;

  • P < 0.01;

  • P < 0.001;

  • §P < 0.0001.