Best Overall System — CGM is Standard of Care for T1D
| Type | CGM (continuous — not fingerstick) |
| MARD | 8.2% — clinical grade |
| Readings | Every 5 minutes |
| Alarms | Hypo + hyper |
| Integration | Tandem Control-IQ AID system |
| Prescription | Required |
For context: continuous glucose monitoring (CGM) has largely replaced standalone glucometers as the primary monitoring tool in T1D — the Dexcom G7 provides a reading every 5 minutes, trend arrows, and alarms without finger pricks. The G7 achieves 8.2% MARD (mean absolute relative difference) — more accurate than most glucometers. Used alongside a backup fingerstick glucometer for hypoglycemia verification, CGM is the current standard of care for T1D. Prescription required; covered by most insurance for T1D.
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