TABLE 3.
Comparative table of five Commercially available CGMs.
| Sensor | FreeStyle libre | Dexcom G4 platinum with share | Dexcom G5 mobile | Dexcom G6 | Medtronic guardian connect |
|---|---|---|---|---|---|
| Sensor Price/month | $129-$153 | $349 | $349 | $349 | $553 |
| Sensor Life | 14 days | 7 days | 7 days | 7 days | — |
| Reader/Receiver Price | $84-$100 one time | $599/year | $599/year | $355/year | — |
| Transmitter Price | — | $599/6 months | $599/6 months | $475/6 months | $775/12 months |
| Reporting data | Trend graph, visual alerts | Trend graph, send data (IOS system) | Send data (IOS & Android system), Audio alarms | Send data, Audio alarms | Send data (IOS system) |
| Placement | Upper arm | Under the skin | Under the skin | Under the skin | — |
| Scanning Distance | 1.5 inches | 20 feet | 20 feet | 20 feet | — |
| Accuracy time and Calibration | no calibration needed | Calibration needed | Calibration needed | Calibration needed | Calibration needed |
| Age | 18 + | 2 years + | 2 years + | 2 years + | 14–75 years old |
| Other | Remains accurate with acetaminophen use | — | — | Accurate with acetaminophen use. Reduce frequency of hypoglycaemias | Predict highs or lows 10–60 min beforehand |