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System over the range that the System measures glucose (40 – 400 mg/dL). 48
subjects were analyzed during the beginning of the Sensor wear period (day 1 or
2), 50 subjects were analyzed during the early middle period (day 7 or 8), 51
subjects were analyzed during the late middle period (day 9 or 12), and 51 subjects
were analyzed during the end period (day 13 or 14). All subjects tested their blood
glucose using fingerstick capillary samples at least four times during each day of
the study.
Study 3: Study 3 was conducted at 4 centers with 100 adult and pediatric subjects
in total (83.0 % Type 1, 17.0% Type 2). 56 adult subjects were aged 18 and older, 39
pediatric subjects were aged six to seventeen and 5 pediatric subjects were aged
four to five. Subjects aged six and older had their venous blood glucose analyzed
for up to 16 hours over one or two separate visits to the clinical center. Each visit
lasted up to eight hours. 81 subjects were analyzed during the beginning of the
Sensor wear period (day 1, 2 or 3), 46 subjects were analyzed during the early
middle period (day 7 or 8), 47 subjects were analyzed during the late middle period
(day 9 or 12), and 34 subjects were analyzed during the end period (day 13 or 14).
Accuracy
Accuracy of the System was measured by comparing paired System Glucose
Measurement (CGM) and YSI blood glucose values. The percentage of total System
readings that were within 20 mg/dL for YSI blood glucose values < 70 mg/dL or
20% of YSI for blood glucose values
≥
70 mg/dL is displayed in Table 1a. The Mean
Absolute Relative Difference (MARD) gives an indication of the average percent
disagreement between the CGM and the reference. For example, in the Adult
subject group, 92.9% of the readings fell within 20 mg/dL of YSI blood glucose
values < 70 mg/dL and within 20% of YSI blood glucose values
≥
70 mg/dL. The
total number of data pairs considered in the analysis was 23,503. In the Adult
subject group, the Mean Absolute Relative Difference was 8.9% for the comparison
with YSI reference. In the Pediatric subject group, the Mean Absolute Relative
Difference was 9.4% for the comparison with YSI reference.
Table 1a: Overall Accuracy to YSI
DOC44383_rev-C 1:14pm 22-SEP-2021