169
The Bigfoot Unity
™
Diabetes Management System User Guide | Appendix C
Table 1b: Accuracy to YSI within CGM Glucose Ranges (Adult; n=144)
CGM
Glucose
Level
†
(mg/dL)
Number
of CGM-
Reference
Pairs
Percent
Within
±15
mg/dL
Percent
Within
±20
mg/dL
Percent
Within
±40
mg/dL
Percent
Within
±15%
Percent
Within
±20%
Percent
Within
±40%
Mean
bias
(mg/dL)
MARD
(%)
< 54
518
85.9
93.8
99.4
-6.4
13.8
54 –
69
3012
89.5
94.2
99.1
-3.3
10.8
70 –
180
7785
76.5
86.6
99.2
-4.8
10.6
181 –
250
3037
89.1
95.0
99.9
-10.1
7.8
> 250
4383
94.0
97.9
100.0
-6.3
6.1
†
Libre 2 Sensor range is 40-400 mg/dL.
Table 1c: Accuracy to YSI within CGM Glucose Ranges (Pediatric; n=86)
CGM
Glucose
Level
†
(mg/dL)
Number
of CGM-
Reference
Pairs
Percent
Within
±15
mg/dL
Percent
Within
±20
mg/dL
Percent
Within
±40
mg/dL
Percent
Within
±15%
Percent
Within
±20%
Percent
Within
±40%
Mean
bias
(mg/dL)
MARD
(%)
< 54
125
70.4
77.6
96.8
-10.9
17.8
54 –
69
772
86.5
90.4
96.9
-4.9
12.0
70 –
180
1963
76.9
86.6
98.5
-4.1
10.9
181 –
250
957
87.0
96.0
99.9
-11.7
8.1
> 250
1269
93.5
98.1
99.7
-5.7
7.1
†
Libre 2 Sensor range is 40-400 mg/dL.
Table 1d: Accuracy to YSI within YSI Glucose Ranges (Adult; n=144)
YSI
Glucose
Level
(mg/dL)
Number
of CGM-
Reference
Pairs
Percent
Within
±15
mg/dL
Percent
Within
±20
mg/dL
Percent
Within
±40
mg/dL
Percent
Within
±15%
Percent
Within
±20%
Percent
Within
±40%
Mean
bias
(mg/dL)
MARD
(%)
< 54
440
91.1
97.5
100.0
7.4
15.5
54 –
69
3028
94.7
98.6
100.0
1.5
10.2
70 –
180
7504
77.5
86.9
99.4
-4.8
10.4
181 –
250
2937
87.9
93.7
99.7
-8.0
8.0
> 250
4826
90.9
95.9
99.7
-11.8
6.9