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Accuracy, precision, sensitivity, specificity, PPV and NPV of the different glucometer measurements.
| Glucometer Index | Sensitivity | Specificity | PPV | NPV | Precision (paired t-test) |
Kappa agreement | Accuracy |
|---|---|---|---|---|---|---|---|
| Beurer | 96% | 66% | 77% | 93% | 0.96 | 82.2% | 82% |
| Bionime | 82% | 70% | 77% | 75% | 0.50 | 78% | 76% |
| Accu-chek | 81% | 65% | 74% | 74% | 2.7 | 70.8% | 74% |
