Table 1. Accuracy of whole-blood glucose concentration readings using three glucose meter models compared with the measurements obtained by using a chemistry analyzer.
| Glucose level (mg/dL) | Device | Fractional difference between the readings of glucose meters and measurements obtained by using a chemistry analyzer (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vitamin C (mg/dL) | Maltose (mg/dL) | |||||||||
| 0 | 3 | 15 | 30 | 0 | 10 | 40 | 200 | 500 | ||
| Low (60) | Roche Accuchek | -8.3 | 10.9 | 55.0 | 100.0 | -4.9 | -0.6 | -0.6 | 1.1 | 11.4 |
| Barozen H plus | -11.9 | -5.7 | -4.6 | -8.2 | -6.0 | -9.1 | -4.7 | -9.3 | -10.2 | |
| Nova Starstrip | -14.3 | -12.4 | -4.6 | -10.9 | -3.0 | -7.1 | -7.7 | -4.5 | ||
| Medium (126) | Roche Accuchek | -8.9 | 4.3 | 23.8 | 44.0 | 2.9 | -8.1 | -3.4 | 1.7 | 6.5 |
| Barozen H plus | -10.5 | -10.6 | -3.1 | -13.0 | 0.0 | -12.8 | -4.7 | -8.9 | -3.4 | |
| Nova Starstrip | -19.7 | -13.9 | -13.8 | -6.2 | -10.6 | -10.1 | -9.9 | -12.2 | ||
| High (300) | Roche Accuchek | 4.0 | -0.3 | 11.1 | 20.4 | 1.4 | -3.2 | -5.6 | -3.0 | 0.2 |
| Barozen H plus | 7.3 | -5.2 | -5.2 | -7.2 | 0.8 | -5.6 | -7.6 | -5.7 | -9.5 | |
| Starstrip | -10.9 | -12.8 | -15.1 | -13.4 | -11.6 | -14.5 | -15.7 | -16.6 | -16.1 | |
The values in bold represent the values that deviated by more than 15% from those determined by a chemistry analyzer.