Table 2—

Comparison of time spent in various glucose ranges: blinded versus display

SubgroupnHours per day
<55 mg/dl55–80 mg/dl
81–140 mg/dl
141–240 mg/dl
>240 mg/dl
BlindedDisplayBlindedDisplayBlindedDisplayBlindedDisplayBlindedDisplay
Overall850.9 ± 1.00.6 ± 0.9*1.5 ± 1.31.6 ± 1.26.2 ± 3.47.6 ± 3.19.9 ± 3.410.1 ± 2.75.3 ± 4.43.8 ± 3.3
Diabetes type
    Type 1681.0 ± 1.00.7 ± 1.0*1.8 ± 1.21.8 ± 1.26.6 ± 3.17.9 ± 2.69.6 ± 2.99.9 ± 2.44.6 ± 3.33.3 ± 2.5
    Type 2170.3 ± 0.40.2 ± 0.30.7 ± 0.90.6 ± 0.84.4 ± 3.96.4 ± 4.6*10.8 ± 5.011.0 ± 3.77.9 ± 6.75.7 ± 5.2*
Baseline A1C
    <7%231.4 ± 1.30.9 ± 1.5*2.5 ± 1.22.3 ± 1.78.8 ± 3.59.2 ± 3.69.5 ± 3.58.9 ± 3.61.9 ± 1.91.7 ± 1.6
    7–9%470.8 ± 0.90.5 ± 0.51.3 ± 1.11.4 ± 0.95.5 ± 2.97.2 ± 2.710.0 ± 3.410.7 ± 2.26.0 ± 4.24.1 ± 3.3
    >9%120.4 ± 0.60.2 ± 0.20.5 ± 0.30.8 ± 0.63.3 ± 1.25.6 ± 2.9*10.3 ± 4.110.3 ± 2.49.4 ± 4.57.1 ± 3.5
Insulin delivery
    MDI430.7 ± 0.90.4 ± 0.5*1.3 ± 1.31.5 ± 1.55.4 ± 3.57.2 ± 3.410.1 ± 4.310.4 ± 3.06.1 ± 4.94.4 ± 3.9
    CSII421.1 ± 1.10.8 ± 1.21.8 ± 1.21.7 ± 0.97.0 ± 3.08.0 ± 2.9*9.7 ± 2.29.8 ± 2.44.4 ± 3.53.2 ± 2.5*
  • Data are means ± SD. P values were calculated using the Wilcoxon rank-sum test:

  • *

    * P < 0.05, blinded vs. display;

  • P < 0.0001, blinded vs. display;

  • P < 0.001, blinded vs. display.