Hypoglycemia Alert Rate; Hypoglycemia Detection Rate - Dexcom G5 User Manual
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Table 5-C represents the alert evaluation within 30 minutes of an SMBG reading for 2- to 5-year-old
subjects in the pediatric studies.
Hypoglycemia Alert Rate
The Alert Rate shows how often the Alert is right or wrong. The True Alert Rate is the % of time the
device alarmed when the BG level was at or below the Alert setting within 15 or 30 minutes before or
after the device alarmed. The False Alert Rate is the % of time the device alarmed when the BG level
was above the Alert setting within 15 or 30 minutes before or after the device alarmed.
For example, if you set the Low Glucose Alert to 70 mg/dL and your Alarm sounds, how often can you
expect your blood sugar to actually be low? In the
Software 505 Adult
Study (Table 5-A), when your
Alarm sounds, you can expect your blood sugar to be below 70 mg/dL approximately 92% of the time
and above 70 mg/dL approximately 8% of the time within the 15 minute period before or after your
Alarm sounds.
Hypoglycemia Detection Rate
The Detection Rate shows how often the device recognizes and alerts you to an episode of
hypoglycemia or how often it misses such an event. The Hypoglycemia Detection Rate is the % of time
the BG level was at or below the Alert setting and device alarmed within 15 or 30 minutes before or
after the BG was at or below the Alert settings. The Hypoglycemia Missed Detection Rate is the % of
time the BG was at or below the Alert setting, but the device did not Alarm within 15 or 30 minutes
before or after the BG was at or below the Alert setting.
For example, if you set the Low Glucose Alert to 70 mg/dL, how often will your Alarm alert you if your
Software 505 Adult
BG goes below 70 mg/dL? In the
Study (Table 5-A), when your blood sugar goes
below 70 mg/dL, you can expect your Alarm to sound 91% of the time and not to sound approximately
9% of time within the 15 minute period before or after your blood sugar goes below 70 mg/dL.
Dexcom G5 Mobile System User Guide
Technical Information
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