User`s guide
156 | Dexcom G4 PLATINUM Continuous Glucose Monitoring System
14
(SW10050) or Software 505 (SW10505).
Agreement When CGM Reads “LOW” or “HIGH”
The System reports glucose readings between 40 and 400 mg/dL.
When the System determines the glucose reading is below 40 mg/dL,
it displays “LOW” in the Receiver Status Box. When the Dexcom G4
PLATINUM System determines that the glucose level is above 400
mg/dL, it displays “HIGH” in the Receiver Status Box. Because the
Table 2. Number and Percentage of YSI Values When
CGM Readings are “Low” or “High”
YSI mg/dL
Total
CGM
Readings
Study
1
CGM-YSI
pairs
< 55 < 60 < 70 < 80 ≥ 80
“LOW”
Original
n
66 84 123 142 13 155
Cumulative
Percent
42% 54% 79% 92% 8%
Software 505
n
11 16 17 18 0 18
Cumulative
Percent
61% 89% 94% 100% 0%
YSI mg/dL
Total
CGM
Readings
Study
1
CGM-YSI
pairs
> 340 > 320 > 280 > 240 ≤ 240
“HIGH”
Original
n
189 220 238 246 2 248
Cumulative
Percent
76% 89% 96% 99% 1%
Software 505
n
40 43 45 45 0 45
Cumulative
Percent
89% 96% 100% 100% 0%
1
Both sets of study data are presented and are labeled as Original