Table 4.
Comparison of Interstitial Fluid Glucose Levels Obtained by FreeStyle Libre Pro and iPro2.
| N | FSL-Pro (mg/dL) | iPro2 (mg/dL) | MAD (mg/dL) | MARD (%) | |
|---|---|---|---|---|---|
| HD and non-HD days | |||||
| Overall | 2496 | 143.7 ± 67.2a | 164.6 ± 58.5 | 28.1 ± 17.5 | 19.2 ± 13.8 |
| Hypoglycemia | 31 | 66.4 ± 19.6 | 61.9 ± 5.7 | 18.9 ± 13.2 | 31.9 ± 25.0 |
| Euglycemia | 1537 | 104.7 ± 36.6a | 128.2 ± 27.9 | 27.7 ± 16.4 | 22.8 ± 14.6 |
| Hyperglycemia | 928 | 210.7 ± 52.2a | 228.3 ± 36.2 | 29.1 ± 19.3 | 13.0 ± 8.5 |
| HD day | |||||
| Overall | 1248 | 142.5 ± 63.8a | 163.5 ± 57.4 | 28.2 ± 18.4 | 18.7±13.1 |
| Hypoglycemia | 8 | 81.1 ± 5.7a | 61.4 ± 7.2 | 19.8 ± 11.8 | 34.6 ± 24.6 |
| Euglycemia | 807 | 107.3 ± 33.2a | 129.4 ± 26.5 | 27.0 ± 16.7 | 21.4 ± 13.8 |
| Hyperglycemia | 433 | 209.3 ± 53.2a | 228.9 ± 39.3 | 30.5 ± 21.1 | 13.4 ± 9.1 |
| Non-HD day | |||||
| Overall | 1248 | 144.8 ± 70.5a | 165.7 ± 59.5 | 28.1 ± 16.6 | 19.8 ± 14.4 |
| Hypoglycemia | 23 | 61.3 ± 20.2 | 62.1 ± 5.2 | 18.7 ± 13.9 | 31.0 ± 25.6 |
| Euglycemia | 730 | 102.0 ± 39.8a | 126.9 ± 29.3 | 28.5 ± 15.9 | 24.3 ± 15.2 |
| Hyperglycemia | 495 | 211.9 ± 51.4a | 227.7 ± 33.3 | 27.9 ± 17.5 | 12.6 ± 8.1 |
Abbreviations: FSL-Pro, FreeStyle Libre Pro; HD, hemodialysis; MAD, mean absolute difference; MARD, mean absolute relative difference.
Glycemia was classified based on interstitial fluid glucose levels of iPro2.
a
P < .0001 vs iPro2.