Abbott FreeStyle Libre 2 User Manual page 208

Table 5a: Low Glucose Alarm Performance (Adult; n=144)
Low Glucose
Alarm level
Number of
(mg/dL)
Events (n)
60
9861
70
21504
80
32784
90
41299
Table 5b: Low Glucose Alarm Performance (Pediatric*; n=129)
Low Glucose
Alarm level
Number of
(mg/dL)
Events (n)
60
2780
70
6363
80
9747
90
12550
* Includes children 6-17 years of age. No YSI measurements were obtained for children 4-5 years of age.
Alarm Rate
True Alarm False Alarm
Rate (%) Rate (%)
72.6 27.4
86.0 14.0
91.3 8.7
93.6 6.4
Alarm Rate
True Alarm False Alarm
Rate (%) Rate(%)
62.9 37.1
80.3 19.7
85.6 14.4
92.2 7.8
Detection Rate
Correct
Number of
Detection
Events (n)
Rate (%)
75.7
1527
89.3
3652
97.3
4753
98.5
5591
Detection Rate
Correct
Number of
Detection
Events (n)
Rate (%)
87.4
373
93.5
963
96.4
1318
97.3
1656
Missed
Detection
Rate (%)
24.3
10.7
2.7
1.5
Missed
Detection
Rate (%)
12.6
6.5
3.6
2.7
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