Accuracy To Ysi Within Cgm Glucose Ranges - Abbott FreeStyle Libre 2 User Manual

Table 1b: Accuracy to YSI within CGM Glucose Ranges (Adult; n=144)
CGM Number
Glucose of CGM-
†
Level Reference
(mg/dL) Pairs
<54
518
54-69 3012
70-180
7785
181-250 3037
>250
4383
†
System range is 40-400 mg/dL.
133
Percent Percent
Within Within
±15 mg/dL ±20 mg/dL
85.9 93.8
89.5 94.2
Percent Percent Percent
Within Within Within
±40 mg/dL ±15% ±20%
99.4
99.1
76.5
89.1
94.0
Percent Mean
Within bias
±40% (mg/dL)
-6.4
-3.3
86.6 99.2 -4.8
95.0 99.9 -10.1
97.9 100.0 -6.3
MARD
(%)
13.8
10.8
10.6
7.8
6.1