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. 2016 Aug 1;18(8):455–463. doi: 10.1089/dia.2015.0405

Table 8.

Calibration Frequency Segment Analysis

  Recalibration <3 hours Recalibration ≥3 hours P
MARD (%), average + SD 15.0 ± 17.1 9.3 ± 8.8 <0.0001
CGM glucose mean (mg/dL) (%), average + SD 111.9 ± 4.8 114.8 ± 6.5 0.3525
CGM glucose SD (mg/dL) (%), average + SD 22.8 ± 6.4 16.6 ± 4.0 0.0489
Calibration factor (mg/nA·dL) (%), average + SD 8.38 ± 6.07 7.46 ± 5.60 0.0215
CEG zone (%)     <0.0001
 A 77 90  
 B 22 10  
 C 0.3 0.0  
 D 1 0.3  
SEG risk zone (%)     <0.0001
 None 85.47 95.1  
 Slight lower 10.14  4.18  
 Slight higher  2.03  0.58  
 Moderate lower  2.36  0.14  
 Moderate higher  0.00  0.00  
 Great lower  0.00  0.00  
 Great higher  0.00  0.00  
 Extreme  0.00  0.00