122 | SEVEN
™
CONTINUOUS GLUCOSE MONITORING SYSTEM
NUMBER OF READINGS PROVIDED
e Seven System is capable of providing a reading every 5 minutes, or 288 readings
per day. For a variety of reasons, this does not always happen. Sometimes sensors fail to
provide readings after calibration and readings are “skipped.” Table 12, below, estimates
the number of readings you can expect to receive from the Seven System over the entire
7-day period. For example, 69% of Seven System devices provided between 1,537 and
1,992 readings.
Table 12. Number of Readings Provided by Each Sensor Over 7-Days
% of Total Possible Readings
Provided
Total Readings Provided
% of Seven System Devices Providing
that number of readings
0-25% 5-504 12%
26-50% 654-974 6%
51-75% 1039-1494 12%
76-100% 1537-1992 69%
Approximately 7% of readings were lost because the Transmitter was more than 5 feet
away from the Receiver. Other readings were lost because the Seven System detected
signal problems and therefore did not display a reading. e average amount of time a
subject went without getting readings was about 15 minutes (or there was a data gap of
three readings in a row).