Dexcom G4 Professional User Manual page 187

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in the range of 81-180 mg/dL (4.5-10.0 mmol/L). You may expect your
CGM readings to be within 20% of YSI values 78% of the time.
Table 1-B. System Agreement to YSI within YSI Glucose
Ranges
YSI Glucose
Number
Range
of paired
mg/dL
CGM-YSI
(mmol/L)
Overall 9152
< 40
(2.2)
40-60
(2.2-3.3)
61-80
(3.4-4.4)
81-180
3892
(4.5-10.0)
181-300
2644
(10.1-16.7)
301-350
(16.7-19.4)
351-400
(19.4-22.2)
> 400
(22.2)
NOTE: CGM readings are within 40-400 mg/dL (2.2-22.2 mmol/L),
inclusive.
Table 1-B is categorized within YSI reference value ranges. When you
know your blood glucose level (measured by YSI in the study), this table
shows how likely your CGM reading matches with your blood glucose
186 | Dexcom G4 PLATINUM Professional Continuous Glucose Monitoring System
Percent
within
15/15%
YSI
71%
22 59%
461 75%
890 69%
65%
74%
869 79%
337 84%
37 81%
Percent Percent
within within
20/20% 30/30%
YSI YSI
82% 92%
73% 86%
87% 94%
81% 94%
76% 88%
85% 94%
92% 99%
91% 98%
86% 100%
Percent
Percent
Greater
within
than
40/40%
40/40%
YSI
YSI
97% 3%
100% 0%
98% 2%
98% 2%
95% 5%
97% 3%
100% 0%
100% 0%
100% 0%