Dexcom G4 Professional User's Guide download pdf (Page 159)

Dexcom G4 PLATINUM User’s Guide | 159

provided between 1,811 and 1,992 valid glucose readings (or more than

76%oftheexpectednumberofreadings).Adjustedwithineachsystem

wear-day,theSystemprovidedanaverageof97%ofallexpected

glucose readings (288) as seen in Table 10.

Table 9. Number of Readings Provided by Each Sensor

Over 7-Days

% of Total Possible

Readings Provided

Total

Readings

Provided

(Min-Max)

% of Systems Providing

that Number of Readings

0-25% 167-491 1.9%

26-50% 719-914 3.7%

51-75% 1267-1267 0.9%

76-100% 1811-1992 93.5%

Table 10. System Readings Within Wear Days

Statistic Day 1 Day 2 Day 3 Day 4 Day 5 Day 6 Day 7

All Days

(N = 108)

Mean 98% 98% 98% 98% 97% 99% 95% 97%

Median 100% 100% 100% 100% 100% 100% 100% 100%

STD 5% 3% 9% 8% 10% 3% 11% 8%

Agreement and Accuracy Relative to SMBG

During the study, agreement between the System and blood glucose

values is also characterized using paired System and SMBG results.

The System and SMBG values were compared by pairing the

comparative SMBG value to a System glucose reading that occurred

immediately after the SMBG was collected. These results characterize

the performance patients expect during real-time use of the system in

their daily diabetes management when comparing the system readings

to their home blood glucose meter results.

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Dexcom G4 Professional User's Guide Page 159