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. 2022 Jun 29;24(7):471–480. doi: 10.1089/dia.2021.0521

Table 2.

Continuous Glucose Monitor Metrics Comparing the Performance of the Closed-Loop Period with the Run-In Period

Sensor glucose metrics Time Closed-loop session (N = 11) Run-in week (N = 11) P
% Time 63–140 mg/dL Day and night 81.5 ± 12.3 64.0 ± 17.5 0.007**
Overnight 75.2 ± 31.8 59.7 ± 19.8 0.167
% Time 70–180 mg/dL Day and night 90.1 ± 5.6 77.6 ± 10.4 0.003**
Overnight 88.1 ± 13.7 75.9 ± 12.2 0.083*
% Time <54 mg/dL Day and night 0.7 ± 1.4 1.6 ± 1.9 0.030**
Overnight 0.2 ± 0.7 1.4 ± 2.3 0.132
% Time <63 mg/dL Day and night 2.0 ± 2.5 5.2 ± 6.0 0.039**
Overnight 0.5 ± 1.5 4.9 ± 7.7 0.105
% Time <70 mg/dL Day and night 5.0 ± 4.2 9.2 ± 9.5 0.075*
Overnight 2.2 ± 3.8 8.0 ± 11.0 0.115
% Time >140 mg/dL Day and night 16.5 ± 12.5 30.8 ± 20.5 0.029**
Overnight 24.3 ± 31.6 35.4 ± 23.4 0.317
% Time >180 mg/dL Day and night 4.9 ± 5.1 13.1 ± 12.0 0.032**
Overnight 9.6 ± 14.1 16.1 ± 13.9 0.346
% Time >250 mg/dL Day and night 0.3 ± 0.8 2.9 ± 4.2 0.061*
Overnight 0 ± 0 3.9 ± 5.2 0.030**
Mean glucose (mg/dL) Day and night 110.2 ± 12.6 124.7 ± 26.6 0.058*
Overnight 118.8 ± 27.1 131.4 ± 30.8 0.130
SD glucose (mg/dL) Day and night 31.2 ± 9.1 42.6 ± 11.5 0.017**
Overnight 23.8 ± 13.1 42.8 ± 14.4 0.007**
CV glucose (%) Day and night 28.0 ± 6.5 34.2 ± 7.0 0.047**
Overnight 19.4 ± 8.3 32.4 ± 8.9 0.366

The data are shown as mean ± SD.

*

0.05<P < 0.1.

**

P ≤ 0.05.

SD, standard deviation.