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TABLE 1

Time differences between blood glucose (BG) and interstitial glucose (IG) as determined by continuous subcutaneous glucose sensor

BG to sensor
Sensor to sensor
Is BG-to-sensor time difference zero? (No, if P < 0.05)
Is BG-to-sensor time difference comparable to sensor-to-sensor? (Yes, if P > 0.05)
nTime (min)nTime (min)PP
Time difference in achieving       
 Peak glucose value 28 4.0 ± 10.4 26 7.6 ± 5.2 0.055 0.11 
 Nadir in glucose value 16 9.4 ± 7.7 18 7.0 ± 6.0 0.000 0.33 
 Most rapid rate of rise in glucose 25 10.1 ± 10.1 21 5.7 ± 4.7 0.000 0.06 
 Most rapid rate of fall in glucose 12 6.9 ± 8.5 13 6.1 ± 4.2 0.017 0.79 
BG to sensor
Sensor to sensor
Is BG-to-sensor time difference zero? (No, if P < 0.05)
Is BG-to-sensor time difference comparable to sensor-to-sensor? (Yes, if P > 0.05)
nTime (min)nTime (min)PP
Time difference in achieving       
 Peak glucose value 28 4.0 ± 10.4 26 7.6 ± 5.2 0.055 0.11 
 Nadir in glucose value 16 9.4 ± 7.7 18 7.0 ± 6.0 0.000 0.33 
 Most rapid rate of rise in glucose 25 10.1 ± 10.1 21 5.7 ± 4.7 0.000 0.06 
 Most rapid rate of fall in glucose 12 6.9 ± 8.5 13 6.1 ± 4.2 0.017 0.79 

Data are means ± SD. n, occurrences within the datasets for analysis.

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