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Table 9. Precision by Wear Location
CGM-CGM matched
pairs (n)
Paired absolute
difference (mg/dL)
Paired absolute relative
difference (%)
Coefficient of variation
(%)
Sensor insertion experience
Enrolled patients were asked to complete questionnaires on comfort and ease of use
of G7 insertion. The questionnaires were completed by the subjects or their parents or
guardians.
Ninety-four percent (94%) of subjects responded that the G7 sensor insertion was
painless. A total of 96% subjects found that G7 was easy to use and 98% of subjects
found the IFU easy to understand.
Table 10. Survey of sensor insertion experience (n=481)
Question
Comfort: painless (mild, no pain)
Ease of use: easy (somewhat or very)
IFU ease of use: easy (somewhat or very)
*The percentage was based on the evaluation of 578 sensors.
152
Adults (18+
Pediatrics (7-17
YO) - arm
YO) - arm
50,542
22,345
13.8
8.9
6.3
Number of subjects Percent
Pediatrics (2-6
YO) – arm
2,611
14.4
12.8
9.3
6.1
6.6
4.3
481
94%*
481
96%
459
98%
Pediatrics (2-6 YO) –
upper buttocks
4,245
15.4
9.7
6.8
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Do you have a question about the G7 and is the answer not in the manual?
Questions and answers
Dexcom G7 continues to show readings 50 or 60 points higher than when I stick my finger and use the supplied recorder. Why?
The Dexcom G7 may show readings 50 or 60 points higher than fingerstick measurements due to several reasons:
1. Sensor's First Day: Newly inserted sensors may show larger differences, which usually decrease over the first 24 hours.
2. Pressure on Sensor: If something is pressing on the sensor (e.g., lying on it), it can affect readings. Removing the pressure can help.
3. Rapid Glucose Changes: Blood glucose changes before interstitial fluid glucose, so fast changes can cause differences between meter and sensor readings.
4. Fingerstick Issues: Inaccurate fingerstick readings can occur if hands are not washed properly or test strips are expired or used incorrectly.
These factors can cause temporary differences between Dexcom G7 and fingerstick readings.
This answer is automatically generated
How high does the Dexcom 7 reciever go?