Table 3.
Comparison of Deviations between Paired Glucose Values with the Continuous Glucose Monitoring Systems DexCom STM and FreeStyle Navigator in Four Different Glycemic Ranges and Measurements with a Blood Glucose Meter (OneTouch® Ultra) and a YSI Laboratory Glucose Analyzer as Mean Absolute Relative Difference12
| Deviation from blood glucose monitor (%) | Deviation from laboratory device (YSI) (%) | |||
| DexCom | FreeStyle Navigator | DexCom | FreeStyle Navigator | |
| MARD (40–400 mg/dl) | 16.2 | 15.9 | 16.8 | 16.1 |
| MARD (median): 40–80 mg/dl | 16.1 | 19.6 | 15.8 | 22.8 |
| 81–180 mg/dl | 13.6 | 11.4 | 15.1 | 12.3 |
| 181–300 mg/dl | 11.7 | 10.1 | 12.6 | 6.9 |
| 301–400 mg/dl | 8.9 | 12.1 | 8.3 | 8.1 |