Abbott FreeStyle Libre 2 User Manual page 120

Other History Options
Daily Patterns: A graph showing the pattern and variability of
your Sensor glucose readings over a typical day. The thick black
line shows the median (midpoint) of your glucose readings. The
light blue shading represents the 10th - 90th percentile range of
your glucose readings. Dark blue shading represents the 25th - 75th
percentile range.
Note: Daily Patterns needs at least 5 days of glucose data.
Time In Target: A graph showing the percentage of time your Sensor
glucose readings were above, below, or within your Target Glucose
Range.
Low Glucose Events: Information about the number of low glucose
events measured by your Sensor. A low glucose event is recorded
when your Sensor glucose reading is lower than 70 mg/dL for longer
than 15 minutes. The total number of events is displayed below the
graph. The bar graph displays the low glucose events in different
periods of the day.
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