Table 2.
Correlations (r) between FreeStyle Libre (FSL; Abbott) continuous interstitial glucose monitors (CGMs), Dexcom CGMs (DexCom Inc.), and blood glucose readings from Contour Next EZ (Contour; Ascensia Diabetes Care US Inc.) and FSL blood glucometers
| x | y | r | P-value | |
|---|---|---|---|---|
| Contour | FSL Ear | 0.819 | <0.001 | |
| Contour | FSL Leg | 0.688 | <0.001 | |
| Contour | Dexcom Ear | 0.713 | <0.001 | |
| Contour | Dexcom Leg | 0.413 | <0.001 | |
| Contour | FSL Blood | 0.748 | <0.001 | |
| FSL Ear | FSL Leg | 0.781 | <0.001 | |
| FSL Ear | Dexcom Ear | 0.823 | <0.001 | |
| FSL Ear | Dexcom Leg | 0.603 | <0.001 | |
| FSL Ear | FSL Blood | 0.748 | <0.001 | |
| Dexcom Ear | Dexcom Leg | 0.470 | <0.001 | |
| Dexcom Ear | FSL Blood | 0.838 | <0.001 | |
| FSL Leg | FSL Blood | 0.564 | <0.001 | |
| FSL Leg | Dexcom Ear | 0.527 | <0.001 | |
| FSL Leg | Dexcom Leg | 0.512 | <0.001 |