Table 1: Summary of characteristics and features of the Abbott Libre, Dexcom G5 and Medtronic Enlite systems as indicated for use outside the US.
| Feature | isCGM | rtCGM |
|---|---|---|
| Indicated wear life | 14 days (in EU) 10 days (in US) |
6 days (Medtronic) 7 days (Dexcom) |
| Calibration | No | 2x/day |
| Allows optional calibration | No | Yes |
| Immediate access to glucose values | Only when scanned | Button push |
| Trend arrows | Yes | Yes |
| Alerts/alarms | No | Yes |
| Insulin dosing without confirmatory | No (in EU) | No (Medtronic) |
| fingerstick testing | Yes (in US) | Yes (Dexcom) |
| Real-time remote monitoring (sharing) | No | Yes |
| Direct integration with insulin pump | No | Yes |
| Applicable for closed-loop systems | No | Yes |
| Interoperability with other devices | No | Yes |
isCGM = intermittently scanned continuous glucose monitoring; rtCGM = real-time continuous glucose monitoring.