User's Manual

Dexcom G5x System User Guide
Technical Information
296
Table 4-B. System Difference to YSI Within CGM Glucose Ranges
(Pediatric)
CGM
Glucose
Range
1
(mg/dL)
Study
2
Number of
Paired
CGM-YSI
Mean
Percent
Difference
Median
Percent
Difference
Mean
Absolute
Percent
Difference
Median
Absolute
Percent
Difference
Overall
Original
2922
13.5%
11.6%
17.4%
13.5%
Software 505
2262
1.8%
1.2%
10.4%
7.9%
*40-60
Original
19
-18.1
-9.1
19.2
9.1
Software 505
86
-15.3
-13.2
16.1
13.2
*61-80
Original
76
-3.7
-2.3
13.4
10.6
Software 505
142
-4.8
-1.0
11.8
7.7
81-180
Original
1155
11.9%
9.7%
17.0%
13.0%
Software 505
805
1.9%
0.7%
10.6%
8.1%
181-300
Original
1380
14.8%
12.4%
17.4%
13.3%
Software 505
957
2.2%
1.0%
8.1%
6.5%
301-350
Original
206
19.2%
15.9%
19.4%
15.9%
Software 505
209
7.8%
6.5%
11.0%
7.9%
351-400
Original
86
18.5%
15.5%
19.1%
15.5%
Software 505
63
14.9%
11.6%
15.2%
11.6%
1
CGM readings are within 40 to 400 mg/dL, inclusive.
2
Both sets of study data are presented and are labeled as Original (SW10050) or
Software 505 (SW10505).
* For CGM ≤ 80 mg/dL, the difference and absolute difference in mg/dL are included
instead of percent differences (%).
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