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Features | Abbott freestyle navigator [39] | MiniMed paradigm real-time system [40] | MiniMed guardian real-time system [41] | DexCom [42] |
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Accuracy | Varies | Consensus error grid: 98.9% mard(mean) −19.7% (median) −15.5% | Consensus error grid: 98.9% mard(mean) −19.7% (median) −15.5% | Consensus error grid: 95.4% mard(mean) −49% (median) −15.9% |
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Startup initiation time | 10 hours | 2 hours | 2 hours | 2 hours |
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Sensor life | 5-day wear indication | Above 72 hours | Above 72 hours | Above 72 hours |
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Calibration method | Requires calibration at
10, 12, 24, and 72 hours after the insertion of the sensor | Alarms when calibration value is not entered on time.
First and second calibration should be done for 2 and 6 hours after
insertion | Alarms when calibration
value is not entered on time. First and second calibration should be done for
2 and 6 hours after insertion | First calibration after 30
minutes and then for every 12 hours. Manual calibration is not possible |
|
Frequency of display | Every 1 minute | Every 5 minutes | Every 5 minutes | Every 5 minutes |
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Transmitter memory | — | Yes, the transmitter stores missed data for up to 40
minutes | Yes, the transmitter stores
missed data for up to 40 minutes | No, transmission lost is
data lost |
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Range of monitor to transmitter | 10 feet | 6 feet | 6 feet | 5 feet |
|
Monitor batteries | Uses 2 AAA batteries with
replacement for every three months | No separate monitor required. Uses insulin pump | Uses 2 AAA Batteries.
Indication is set for chance of battery | Uses rechargeable batteries |
|
Monitor size | 3“ 2.5” | Separate monitor is not available. Uses insulin pump
for display | 3“ 2.7” | 3“ 2.5” |
|
Alarms on user-set low and high thresholds | Applicable | Applicable | Applicable | Applicable |
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