User's Manual

Dexcom G5x System User Guide
Technical Information
322
Table 12-A. System Difference to SMBG Within CGM Glucose
Ranges (Adult)
CGM
Glucose
Range
1
(mg/dL)
Study
2
Number
of Paired
CGM-
SMBG
Mean
Percent
Difference
Median
Percent
Difference
Mean
Absolute
Percent
Difference
Median
Absolute
Percent
Difference
Overall
Original
7508
-0.4%
-1.4%
14.0%
11.0%
Software
505
2992
-2.6%
-2.7%
11.3%
8.6%
*40-60
Original
731
-9.3
-8.0
11.7
8.0
Software
505
221
-10.3
-6.0
13.0
8.0
*61-80
Original
968
-1.0
1.0
10.7
8.0
Software
505
336
-4.0
-2.0
10.1
7.0
81-180
Original
3141
1.4%
0.0%
14.2%
11.0%
Software
505
1362
-2.6%
-3.1%
11.4%
8.9%
181-300
Original
1960
-0.7%
-2.8%
13.0%
10.3%
Software
505
826
-1.4%
-2.0%
9.5%
7.4%
301-350
Original
450
-0.7%
-2.6%
10.5%
8.6%
Software
505
161
-0.0%
0.0%
8.3%
6.0%
351-400
Original
258
5.0%
3.0%
11.9%
8.6%
Software
505
86
3.9%
3.2%
8.1%
6.7%
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 differences in mg/dL are included instead of percent
differences (%).
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